Search results for: 'POLOLU-350'
Control Large GoBILDA DC Motors With a Raspberry Pi - Pololu Motoron HAT
This guide will demonstrate exactly how to control any large DC Motors that we stock with a Raspberry Pi Single Board Computer, through code or through a Bluetooth Controller. To clarify (in my mind) a large DC Motors runs at 12+ Volt...
Infrared (IR) Controlled Lights with CircuitPython: Adafruit Circuit Playground Express
The latest Circuit Playground board, the Adafruit Circuit Playground Express comes equipped with an onboard IR transmitter and receiver! This can be used to communicate with TVs and other household devices. You can also use infrared remote ...
Teensy 3.5 & 3.6 Review
When Teensy was first released, it was a revelation to the maker community. It brought together the power of ARM processors and the simplicity that is the Arduino IDE. Building upon that platform, Paul Stoffregen, the man behind PJRC contin...
Tiny Screens for Raspberry Pi - Waveshare 3.5 Inch LCD
There is a whole range of Sub-4 Inch Displays that attach directly to the GPIO pins of Raspberry Pi Palm-Sized Computers. Many of them are touch devices and increase the usability of your Raspberry Pi whilst making almost no size sacrifices...
Assemble a goBILDA Outlaw Chassis Kit - Plus Raspberry Pi and 8BitDo Control!
If you want a high-end robotics platform that is easy to expand with it does not get better than goBILDA! GoBILDA is a complete build system designed for makers, students, and educators. From curated kits, to many structural alum...
Makerverse Nano Power Timer
Introduction The Makerverse Nano Power Timer is an ultra-low current consumption power controller designed to periodically turn on a battery powered microcontroller. It is perfect for maximising the battery life of data-logging sensor...
Raspberry Pi 5 | Review, Performance & Benchmarks
The Raspberry Pi 5 is here! Our favourite credit card-sized computer has just gotten an update and we already have one here to take a look at, so let’s power it up, run some tests, and see what’s new! (If you want to s...
Benchtop Helping Hands
How does your workspace look? Could it be tidier? I know that mine always could be, but with the daily addition of different tools, components, boards and general tech, it can be hard to keep on top of it all. Then when it comes to working ...
Snap Circuits makes Electronics Fun and Educational
From breadboarding to soldering, the way we connect our components is critical to ending up with a working circuit. Before the new-age tech startups like littleBits and innoBits came along with their magnetic clip-together building blocks, ...
How To Make and Crimp Custom Connectors
The wires in our circuits are often forgotten when we are planning our next big project, but the right connectors will a make your project look more professional and a lot easier to work with! In this tutorial, we are going to have a quick ...
Pycom GPy Getting Started
warning: Pycom has updated their libraries and the code listed below may not work. If you discover this and find a fix, please post it on our forum and we'll send you a $25 store credit along with a huge thank you. Go to Forum Thread. ...
How to Stress Test Temperature on Raspberry Pi (Stressberry)
First of all, why subject your Raspberry Pi to this level of stress? In the case of Raspberry Pi 4, the A72 CPU is so powerful that it can overheat if it doesn't have enough cooling. This results with the CPU being governed (slowed do...
Answering Your Pi 5 Questions | Cooling, Overclocking, Power and More
The Raspberry Pi 5 was announced just a few weeks ago and across the internet, we have seen some recurring questions, so in this article, we tried our best to answer some of them. Contents: Overclocking Questions Cooling Quest...
3D Printing (FFF) Workshop
Welcome to the 3D Printing Workshop! I'm Aidan from Core Electronics and in this workshop we are going to take a hands-on journey into the exciting technology that is 3D printing. I have personally spent the past 12 months immersing mysel...
WS2812 / NeoPixel Addressable LEDs: Arduino Quickstart Guide
This tutorial is aimed at getting some instant gratification from your WS2812 LEDs (also known as NeoPixels). I'll briefly cover a bare-bones setup for Arduino. If you've never used an Arduino before, we've got you covered with our free, o...
PiicoDev OLED Module SSD1306 - Micro:bit Guide
Let's get started with the PiicoDev® OLED Module SSD1306. In this guide, we'll connect the PiicoDev OLED to our Raspberry Pi Pico and get it working with some example code to display text, shapes, and animations. To f...
Making Boxes in Fusion 360 for Laser Cutting
When making a box with a laser cutter, its entirely possible to make your design as a single flat drawing through careful planning and measurement – but who wants to do that!? This is a guide to making a box quickly and easily using F...
PiicoDev OLED Module SSD1306 - Raspberry Pi Pico Guide
Let's get started with the PiicoDev® OLED Module SSD1306. In this guide, we'll connect the PiicoDev OLED to our Raspberry Pi Pico and get it working with some example code to display text, shapes, and animations. To ...
PiicoDev OLED Module SSD1306 - Raspberry Pi Guide
Let's get started with the PiicoDev® OLED Module SSD1306. In this guide, we'll connect the PiicoDev OLED to our Raspberry Pi and get it working with some example code to display text, shapes, and animations. To follo...
Circuit Playground Express TV Remote
Have you ever lost or broken a TV remote before it's time? Have you ever wanted to spice up the way you change channels or inputs on your TV? Have you got a greedy housemate who always steals the remote off you? If any of these are the case...
Sound Reactive Lights with CircuitPython: Adafruit Circuit Playground Express
The Adafruit Circuit Playground Express comes equipped with an onboard microphone that is capable of sensing both amplitude and frequency. This tutorial will walk through a quick sketch using CircuitPython to turn the lights on the board in...
Control Multiple Fully-Addressable WS2812B RGB LED Strips with a Raspberry Pi Single Board Computer
This is an update to an older guide done so that we can provide you with the fastest, most modern, and best way to set up your system. Nothing beats bright shiny colourful lights and this guide demonstrates the fastest and most customizab...
PiicoDev Buzzer Module - Guide for Micro:bit
Introduction Let's play tones and melodies on a PiicoDev® Buzzer Module with a Micro:bit. This guide will cover connecting the hardware, running an example to make sure everything works and playing simple melodies. Of course, the Micr...
PiicoDev Buzzer Module - Guide for Raspberry Pi Pico
Introduction Let's play tones and melodies on a PiicoDev® Buzzer Module with a Raspberry Pi Pico. This guide will cover connecting the hardware, running an example to make sure everything works, and playing simple melodies. To follow ...
PiicoDev Buzzer Module - Raspberry Pi Guide
Introduction Let's play tones and melodies on a PiicoDev® Buzzer Module with a Raspberry Pi. This guide will cover connecting the hardware, running an example to make sure everything works, and playing simple melodies. To follow along...
Layer Heights when Resin 3D Printing | Accurate 28mm Scale Models or Maximum Printer Output
Speed or Perfection? That choice is what an understanding of Layer Heights whenever Resin 3D printing is going to provide you. Any Traditional Resin 3D Printer worth its salt will let you print with Layer Heights between 10 Micron to 100 Mi...
PiicoDev Ultrasonic Rangefinder | Getting Started Guide
Similar to how bats echo-locate and how submarines use sonar, the PiicoDev® Ultrasonic Rangefinder uses sound waves to measure the distance to an object. It sends out a high-pitched sound wave, which bounces off of the object and comes...
Raspberry Pi: Where It Began
The Raspberry Pi as we know it today is just the “tip of the iceberg”, the product of more than a decade of development, spanning 4 generations with up-to 18 boards and counting released so far. Alongside this development, there...
Raspberry Pi 5 Vs Raspberry Pi 4 Model B | Comparison & Benchmarking
The Raspberry Pi 5 is here and one of the biggest questions is, how does it stack up against the previous Pi 4? Well, we already have one to take a look at so let’s run some benchmarks and compare the two.(We also have another articl...
Color Matching with the Light Sensor and CircuitPython: Adafruit Circuit Playground Express
The Adafruit Circuit Playground Express comes equipped with an analog light sensor, but it can be used for much more than just sensing light or darkness! The light sensor has a similar spectral response to the human eye. Its connected to an...
How to 3D Print Your Own Raspberry Pi 3 Model A+ Case
So you've got your Raspberry Pi 3 Model A and need a case to house it in. In this short guide we're going to step through the considerations you should take when designing your own case, as well as provide you with all the files you need t...
What is LattePanda?
If you’ve been around electronics for a while you’ll have noticed the trend of single board microcomputers targeted at hobbyists through to industrial projects, the most popular platform being the Raspberry Pi. Now the Raspberry...
How to use a RTC With an Arduino UNO R3 to Create an Accurate Clock (LCD Screen and Nixie Tubes)
Today we're pulling out the breadboard, getting up and running with an RTC module then finishing up by making ourselves a clock that will keep the correct time even when we pull the plug. To achieve this we will be combining three main com...
Pycom GPy Overview
School zone sign There are lots of maker and Internet of Things (IoT) projects that need a high quality mobile Internet connection. While technologies like Sigfox and LoRa are going to be a big part of our future, in a lot of places cellu...
How to make a Raspberry Pi NAS - A NAS-Berry that Runs Open Media Vault
Welcome to the best article on setting up an OpenMediaVault-based NAS on a Raspberry Pi Single Board Computer! This guide is the fastest and best way to go about it. Raspberry Pi single-board computers are purpose-built to run 24/7, with a...
Best Glue for 3D Printed PLA Parts and a 3D Printed Ukulele
Whenever you want to print larger than your 3D printer build space you are going to find yourself wanting to combine 3D printed parts together. Furthermore, as you wrap your head around 3D printing, you learn to save on filament by printing...
Servos, Steppers or Solenoids? | Choosing an Actuator to Move Your Project
In this guide, we go over some common ways of adding motion to your project with actuators such as stepper motors, servos and linear actuators, to help you choose which one is most appropriate for your situation. The start of this guide c...
Our tips for using NiMH Batteries
NiMH is an abbreviation for Nickel-Metal Hydride. NiMH batteries are some of the most common rechargeable batteries we see in consumer electronics. Due to their superior chemistry, NiMH batteries have taken over Nickel Cadmium Battery appli...
Optimal Layer Exposure Time for Perfect Resin Prints
Layer Exposure Time is the crucial parameter that when dialed in will change average 3D resin printed components into awesome, crispy, final results that capture every single detail of the CAD model. As a general rule for Normal Layer ...
Raspberry Pi Boards Compared
The Raspberry Pi has revolutionized the world of single-board computers, offering a platform for learners, hobbyists, and professionals to explore, create, and innovate. From its inception, the Raspberry Pi series has been a beacon of techn...
Soldering 101
Imagine being a builder without a hammer, or a car without a brake, this is kind of useful, but nowhere near as useful as it could be. This is like being a maker/DIY’er/enthusiast without being able to solder. Sure you can breadboard ...
Controlling a Solenoid with an Arduino
In this tutorial, we will look at the basics of Solenoids and how they work. Then we will design a small circuit that can drive a Solenoid from the input/output pins on your Arduino board. We covered a whole bunch of rotational motion co...
Relay Operation and the Arduino Uno
If you could operate your switch without physically toggling it on and off, you would open yourself up to an entire section of electronics. Relays are one of the best ways of doing this. A relay is essentially just a switch, controlled by a...
Raspberry Pi Pico Workshop for Beginners
Welcome to the Raspberry Pi Pico Workshop, where you will learn everything you need to know to hit the ground running and start making your own projects with the Raspberry Pi Pico and MicroPython. This workshop is designed for complete beg...
Our Ozobots Review and Educational Tips
In the Spring of 2012, a tech-gadget company called Evollve Inc. was founded with the goal of creating innovative ways for tech-savvy youngsters to play, learn and interact in a digitally expanding world. There's absolutely nothing wrong wi...
How to log measurements using a Mooshimeter
The Mooshimeter is one of our favorite multimeters here at Core Electronics! If you haven't heard about them before, then take a quick look at our review. One of the most popular features of the Mooshimeter is the ability to log voltag...
Makerverse Real Time Clock with Supercapacitor Backup - Raspberry Pi Guide
Introduction This guide covers the configuration steps required to use the Makerverse Supercap Real Time Clock module as a backup RTC on a Raspberry Pi. This is required for remote applications when Internet access is impractical and accur...
Hello World with the OLED FeatherWing
The OLED Featherwing by Adafruit is a particularly interesting Wing; it gives you a 128x32 monochrome OLED display right on top of your feather board. There's also three buttons to use that are internally connected to your MCU and accessibl...
Makerverse Audio Kit Guide | Play Music and Generate Tones
IntroductionWelcome to the guide for the Makerverse Audio Kit. This kit will allow you to build a music player, a musical keyboard, and a sound effect soundboard! To follow along you will need: The Makerverse Audio Kit The Makerverse ...
How GPS Receivers work
GPS is accurate and handy to use, so much so that we rely on it more and more every day. It's not often we take the time to learn how it works. The idea of GPS refers to a Global Positioning System; a collection of satellites in orbit above...
Media Centre with Kodi and LibreELEC - Raspberry Pi 4 Model B
You ever wanted an Ad-Free and Bloatware Free Media Streaming Device that can run 4K movies with clean audio that transforms any Screen into a Smart TV. Sounds almost too good to be true but Raspberry Pi, Kodi and LibreELEC OS have swooped ...
Makerverse Motor Driver, 2 Channel - Application Guide
Introduction The Makerverse Motor Driver has been updated to a v20 design which now features a 5V output pin instead of the VM pin. Some images and in-video descriptions in this guide may be outdated This guide covers the use of the Maker...
Infinity Mirror Kit V2 - Assembly and Tutorials
The Infinity Mirror Kit V2 is a desktop display that creates a dazzling optical illusion - a tunnel of light that tears through space! The Infinity Mirror Kit V2 entered production in October 2018, and now ships with an Adaf...
Switches, Debouncing and the Arduino
When we boil it down, everyday interactions with electronics are usually limited to controlling stuff with switches. Whether it be turning on the lights, switching on your laptop or turning on the kettle, all examples of how a physical sw...
Integrated Computer Vision Package - OAK-D Lite With Raspberry Pi Set Up
If you ever needed a performance boost when running Machine Learnt AI Systems (like facial recognition) with a Raspberry Pi Single Board Computer then I have a solution for you. The OAK-D Lite. The Oak-D Lite is the Leatherman Multi-tool o...
How to use Solar LiPO Chargers
Every day, Solar energy bombards Earth with about 173,000 terawatts of power. That's close to the yearly electricity bill for Planet Earth. Solar energy is free power from the stars. So the question stands, why aren't we using it more? Pric...
I2C with Raspberry Pi
Hello there, how’s your day been? Good? Fantastic! Not so good? Don’t worry it’s about to get a lot better, because today we’re going to take a look at how to use the I2C interface on our Raspberry Pi to control I2C ...
Controlling Standard Servos with Raspberry Pi
This guide will teach you how to control any small and big servos with a Raspberry Pi 4 Model B (worth noting any Raspberry Pi Board with GPIO pins can be able to be used in this scenario. Servos are an immensely useful way to turn ele...
Geting Started with CAD for 3D Printing
If you've picked yourself up a 3D printer, you've no doubt printed yourself a heap of models from Thingiverse by now. It's great fun and the best way to learn how to control the options you have available through Cura; scaling, rotating and...
Addressable RGB LED Controllers
Addressable RGB LED strips are one maker favourite that can really spruce up any project or even be the star attraction of one. These strips allow you to select the colour, brightness and state of any LED in a long strip and can make for ...
Pycom Expansion Board 2.0 Overview
It would be good to have some understanding of Pycom microcontroller boards before reading this article. We won’t go into what capabilities each microcontroller board has. If you’d like an introduction, try our Pycom WiPy Overvi...
How to Use Rotary Encoders
Hello and welcome to our tutorial on using rotary encoders. Today we’re going to be taking a look at what is a rotary encoder, how does it work, why we would use it over other sensory inputs and creating code to use them. Rotary encod...
Unique Ways to Print Anything!
Each and every day it has become easier to print the natural and human-made world around us. So, if you ever worried that you would run out of things to 3D print fear not! There are many ways of producing 3D models and most of these me...
Our Overview of Makeblock's Ultimate Kit 2.0
The aptly named Ultimate Kit 2.0 is the final kit in the line-up of educational robots from Makeblock. With over 160 independent mechanical parts and modules, the Ultimate Kit 2.0 answers the call for almost limitless creative freedom. Matc...
What Are DotStar LEDs (APA102/SK98225)?
So in case you haven’t heard yet, digital LEDs are the go-to solution for any project that uses RGB LEDs and you want to avoid the rat's nest that ensures when using multiple RGB LEDs, each colour requiring its own connection. Digital...
All About LEDs
Hello and welcome to our tutorial where we a look at all things LED. Now first of all, what is an LED? LED stands for Light Emitting Diode and is an electronic component used to convert electrical energy to light energy. This process is cal...
Improving 3D Printed Models - Ultimaker Cura
If your 3D printer is an Ultimaker S5 then your prints will almost always come out looking brilliant. Although achieving desirable 3D printed components can sometimes require troubleshooting to resolve print errors. These errors often can ...
C Programming for Makers
Welcome to the C Programming Workshop for Makers! Here you'll be able to follow along with our series of easily digestible videos that cover everything you'll need to know to on your way with C programming and start making awesome projects....
Our Review of the MOARstruder by Lulzbot
Toolheads for your 3D printer come in all shapes and sizes. The different models available from Lulzbot are all designed with a specific purpose in mind, usually to add a filament type to your 3D printing repertoire. Dual extruders enable y...
Using USB and Bluetooth Controllers with Python
The Raspberry Pi is an amazing piece of technology, and it’s the platform of choice for all kinds of projects. Something that makes it great is the integration of complex hardware that is taken care of for you. For example, if you wan...
Our recommendation on Breadboard Power Supplies
So, you’re looking for the right way to power your breadboard? You’ve found that your Arduino Uno just doesn’t quite have the juice to power up your circuit. It's likely that the microcontroller can output around 400mA whe...
Getting Started with the Raspberry Pi 3A+
There is a new board in the Raspberry Pi family! In this Tutorial, we will walk you through the steps to set up your new Raspberry Pi 3 Model A+.To setup your Raspberry Pi 3A+ you will need: A Raspberry Pi 3A+ A Preloaded NOOBS SD Card...
Send a Downlink from Adafruit.io via The Things Network
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. Any good LoRaWAN device can send ...
Visual Thermometer with CircuitPython: Adafruit Circuit Playground Express
The Adafruit Circuit Playground Express comes packed with sensors, and for this tutorial, we are going to learn to use the onboard thermometer (technically a thermistor)! We will take temperature readings with the thermometer and print out ...
Slim Case for the Raspberry Pi 3A+ Assembly
The Slim Case for the Raspberry Pi 3A+ provides protection for your Raspberry Pi without adding unnecessary bulk. Best of all it keeps everything sleek and tidy without hiding the board itself. The Slim Case was designed and manufactur...
Dual-Coloured 3D Printing
The eternal question of ‘does it print in more colours?’ is often one of the most common community desires. And yes you can! One of the best ways that this need is delivered is through dual-extrusion printing. Dual-extrusion pri...
More Exciting Features - Ultimaker Cura
Cura is constantly being improved upon and half the fun is keeping on top of all the new changes and new offerings it gives. For completely free software, they are doing an amazing job. Nailing the recipe for a 3D prints will let you get th...
Teensy Boards Compared
Hello everyone, how awesome are the Teensy boards from PJRC? Super awesome. And as with any product that has been around for a few years, and gone through various iterations, there’s now a few different boards to choose from, which ...
Join the new age with a Mooshimeter
The multimeter is one of the essential tools in your electronics toolkit. These battery operated devices combine several measurement functions into one easy to use device. You can get Analog or Digital multimeters, each displaying your meas...
Color Matching with the Light Sensor in MakeCode: Adafruit Circuit Playground Express
The Adafruit Circuit Playground Express comes equipped with an analog light sensor, but it can be used for much more than just sensing light or darkness! The light sensor has a similar spectral response to the human eye. Its connected to an...
Chibitronics at Home - STEM Starter Kit
Now that we have dipped our toes into the Chibitronics environment, let's take a look at a more in-depth kit and see what kind of projects it offers. The Chibitronics STEM starter kit comes with: 1 Circuit Stic...
Tips for Mooshimeter Maitenance
Now that you have picked up your Mooshimeter, there might be a few questions you have on keeping it working well for as long as possible. As the Mooshimeter is a battery powered device, eventually the day will come where you simply cannot c...
Our Mooshimeter Review
We've been familiar with the Mooshimeter for a while now, we've got tutorials on Getting up and running with a Mooshimeter, how to datalog with your mooshimeter, taking voltage/current measurements with multi-meters and finally a whole arti...
Waveshare 5.5 Inch AMOLED Screen for Raspberry Pi
Ever wanted a pocket computer with a Full HD screen (1080x1920)? Love tiny GPIO screens like this 3.5 Inch from Waveshare but want one that is a little bigger and higher resolution so that it is easier to read? Or want a really premi...
Choosing a Benchtop Power Supply
If you're looking for a benchtop power supply, but you're unsure of what you should be looking for in a decent supply for your workspace, we have got you covered with this guide. We will look at the specifications to look out for in a power...
Laser Cut High Rise Case for the Arduino Uno
If you put a shield on top of an Arduino Uno there aren’t very many options available to protect it all inside a case. You can always make one yourself though, so that’s exactly what we did! This “High Rise” case for...
Micro:bit Soil Moisture Sensor
The Micro:bit is great for small portable projects like a soil moisture sensor. In this tutorial, we will walk through how to program a Micro:bit to make a reliable and consistent soil moisture sensor that will give consistent readings. The...
Printing with Rigid and Flexible Filaments
LulzBot have released the Aerostruder for both Mini and Taz Printers now (Mid 2018). It features a Titan Aero Extruder from E3D, which makes it capable of printing in flexible filament and rigid filament, depending on the situation! It's an...
GlowBit Matrix 8x8 - Python and MicroPython Guide
Introduction This guide will cover the basic functionality of the GlowBit Python library when driving a GlowBit Matrix 8x8 module. To follow along, it's best to have: A GlowBit Matrix 8x8 A Raspberry Pi Pico ...
Potentiometers and the Arduino Uno
Variable resistors come in all shapes and sizes, and they all do the same basic job. They allow you precisely control voltage/current flow within a circuit. The most common type of variable resistor we see in DIY electronics is the Potentio...
How to Use Ultrasonic Sensors
ECHO…echo…echo…echo… We’ve all had fun shouting into a cave or large space and hearing our voice coming back to us at some point during our childhood. And if you’re like me, a fully grown adult who...
Raspberry Pi 3 Model B+ Performance vs Raspberry Pi 3 Model B
The Raspberry Pi 3 Model B+ (I’ll be calling it the Pi 3+ for short) is an update to the existing Raspberry Pi 3 Model B and was released on Wednesday 14th March 2018. It has some very interesting changes: The Broadcom BCM2837 has ...
How to use WS2812B RGB LEDs with Raspberry Pi Pico
In this tutorial, we'll get some WS2812B LEDs (also known as GlowBits and NeoPixels) working with a Raspberry Pi Pico. If you haven't already set up Thonny for programming your Pico, follow our guide on that first. To follow along you'll...
PiicoDev Real Time Clock (RTC) RV-3028 - Getting Started Guide
This guide will help you get started with a PiicoDev Real Time Clock. We'll set and read the time/date, observe the power-backup capability, and configure the RTC with an alarm. A Real-Time Clock (RTC) is a timekeeping device that accurat...
Analog Electronics Crash Course
Welcome to our beginners tutorial on analog electronics. Living in the digital age that we do, it’s easy to disregard the world of discrete analog components, however these concepts form the basis for everything from your mobile phon...
Put the Internet to Work with IFTTT & Particle
We’re in a golden age of connectivity, the internet we know today has given us the tools to connect anything to anything, and now with the platform brought to us by Particle, DIYers everywhere can connect the creations up to this va...
Arduino Projects with Light (Using Sparkfun RedBoard)
Now that your RedBoard is set up on its baseplate and the Arduino IDE is installed on your computer, we can begin our first Arduino-based Project Set! The First Project Set explores light and the type of electrical component we will be usin...
3D Printing Filament Guide
There are a wide range of filaments available in FDM 3D printing; it’s easy to get lost in all the abbreviations, acronyms, and temperatures. We’ve decided to bring together the most relevant information when selecting fila...
Real Time Scanning and Storing QR Codes With Raspberry Pi and OpenCV
[Update – Until there is correct compatibility of OPEN-CV with the new Raspberry Pi ‘Bullseye’ OS I highly recommend at this stage flashing and using the previous Raspberry Pi ‘Buster’ OS ...
How to use a PiRelay HAT for Raspberry Pi - Multiple Relay Control with Voice or GUI
This guide will teach you exactly how to use a Raspberry Pi Single Board Computer to independently control 4 relays. A Relay is an electrically operated switch. This is all possible thanks to the PiRelay V2 HAT from SB Components. These re...
How 3D Printing Works
3D Printing is one of the ways we can turn virtual 3-dimensional models into real world objects. It is an Additive manufacturing (AM) process, building models layer by layer. AM is the opposite of subtractive manufacturing which takes a blo...
Boards of a Feather
Have you ever used an Arduino board, and wanted to hook it straight up to a JST connected LiPo battery but knew it wouldn’t work? Or maybe you wanted a microcontroller with built-in wireless capabilities? Well, Adafruit has developed...
Fingerprint Scanner with Raspberry Pi Single Board Computer - Unlock with Biometrics!
Let's unlock Biometric Control on our Raspberry Pi Single Board Computers! Biometric Technology uses unique physical or behavioral attributes that are individual to each person and not (easily) replicable. Extraordinarily everyone on Earth...
What is a JST Connector?
JST is a standard of electrical connection used widely across a spectrum of electrical applications. It's defined as a Japanese Solderless Terminal and is manufactured by a company of the same name. The JST range includes a variety of fami...
All Pycom Boards and Expansion Boards Compared
Pycom is a constantly groundbreaking company which produces a lot of really cool development boards and expansion shields. They have a large focus on multiple network connectivity, particularly in regards to low power, long-distance informa...
Arduino Workshop for Beginners
Welcome to the Arduino Workshop, where you'll be able to follow our guided course which covers everything you'll need to know in order to create your own Arduino projects and become a leveled up maker. My name is Sam and along with being ...
Tips for Installing your Lulzbot TAZ 6 Enclosure
With winter currently in full swing, there's a particularly annoying 3D printing problem that is rearing its ugly head, Warping. For those who don't know, warping is what happens when parts of a printed model shrink due to cold drafts acros...
DIY Magnetic Encoder
The PiicoDev Magnetometer unlocks a lot of sensing abilities for your project. In this guide we'll walk through how to sense an angle with a small magnet and print the angle on a PiicoDev OLED. This guide covers what the sensor is r...
PLA 3D Printing Tips
PLA is Poly-Lactic Acid filament, and it's usually the go-to choice for people looking to print larger models or for longer periods of time. The important properties of the material dictate the reasons for using it; it doesn't warp at all a...
PiicoDev Servo Driver PCA9685 | Getting Started Guide
This guide will help you get started with a PiicoDev® Servo Driver module. We'll take a tour of the module and walk through some examples to drive common servos. Servo motors are integrated motors that contain their own power circuitr...
How to use a Digital Multimeter
A digital multimeter (DMM) is one of the most common tools on a Maker's bench. We use DMMs to take electrical measurements in a fast and relatively accurate way. The reason we call it a multimeter is because they can take multiple types mea...
Dual Monitors with Raspberry Pi 4 Model B or Raspberry Pi 400
Being productive and efficient on a computer has become synonymous with dual-screens. Being able to run two application and have both take up a whole screen or run four text documents each taking up an A4 sized half screen really improves e...
PiicoDev Transceiver | Getting Started Guide
A radio transceiver is a device that can both transmit and receive radio signals, making it the perfect tool for communication on the go and remote projects! The PiicoDev Transceiver™ is a 915MHz radio that can send short messages up...
Getting Started with Servos | Examples with Raspberry Pi Pico
In this guide, we'll learn what a Servo is, when we might use one, how to choose a Servo, and finally how to use one with a Raspberry Pi Pico. To follow along you'll need: A Positional Servo, such as the Feetech FS90 Micro Servo A Con...
Webhooks with Particle.io
Have you ever heard people talk about how amazing the Internet of Things is and how you can leverage the power of the internet by creating IoT devices, but not really known how to get started? This tutorial is for you! We’re going to ...
Using the Accelerometer with CircuitPython: Adafruit Circuit Playground Express
At the heart of every Adafruit Circuit Playground Express lies a three-axis accelerometer. This allows us to write programs that take the orientation of the board into account. We can detect orientation and acceleration on any axis. With Ci...
Building a LoRaWAN Nano Gateway to The Things Network
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. warning: this is a "nano" gateway...
WLED Phone App | Control Addressable LEDs with an ESP32 or ESP8266
Today will be all about controlling Fully Addressable LED Lights using any Espressif ESP32 Development Board and your mobile Phone all through WIFI! All possible by WLED. There are many ways to use your mobile phone to remotely...
An Educators Perspective - Chibitronics
We have tailored guides on series circuits and basic switches, but that’s not even close to the limit of what you can learn and teach with Chibitronics. The Classroom Pack comes with all the components an educator would need to teach...
Pycom FiPy Overview
This is the Big Daddy of the Pycom range of devices. The Pycom FiPy has all these connection capabilities (with one tiny caveat): Wi-Fi 802.11b/g/n 16Mbps LoRa (all regions, not 433MHz) Sigfox Cellular LTE (Cat-M1/NB-IoT) Bluetooth L...
Setting Up Hyperbian – Ambient Lighting with your Screen
Break your television and monitors free from the confines of their edges with Hyperbian! This is an open-source ambient light software that will improve the way you enjoy your favourite media. Hyperion for the Raspberry Pi ∴ Hy...
Fritzing for Schematic and PCB Design
Fritzing is a completely free Circuit Design program available across all popular operating systems. The program was designed to support hobbyists, hackers, artists and makers (and all creative minds) in taking the step from concept to prot...
Choosing a Soldering Iron
Hello, and welcome to our tutorial where we’ll be looking at two different types of soldering irons and which one is going to be best for your workshop. We’ll be specifically looking at soldering irons, not how to solder, so for...
Our Siglent SDG1032X Arbitrary Function Generator Review
Let's take a look at the new Siglent SDG1032X Arbitrary function generator. We're looking at yet another example of the closing gap between hobbyist and pro gear - the growing feature set and capabilities of entry-level equipment continues ...
WS2812 / NeoPixel Addressable LEDs: Particle Quickstart Guide
This tutorial is aimed at getting some instant gratification from your WS2812 LEDs (trade name: NeoPixels). I'll briefly cover a bare-bones setup for the Particle Photon. If you've never used any Particle hardware before, learn how to get ...
DIY 10W Bluetooth Speaker - No Code Needed – How to use a Bluetooth 4.2 Audio Receiver Board with Onboard Amplifier (MH-M38)
Let's turn it up to 11! Today we are getting right into Bluetooth Audio Receivers in particular the MH-M38. The MH-M38 is a stereo audio receiver with loudspeaker outputs (and an inbuilt amplifier) that can play music from a smartphone/com...
Fire-EdUp | Models and Data
Different environments will present completely different fire behaviour under the same conditions. For example, a eucalypt forest may burn more severely than a grassland because of the difference in fuel type and climate. In this video we ...
8Bitdo Controller Modes
8Bitdo controllers are the best retro-gaming controllers you can buy. You could pick one up for your RetroPie gaming system so you can relax back on your lounge with your wireless gaming controller. We did a great write up on the process of...
WS2812 / NeoPixel Addressable LEDs: Raspberry Pi Quickstart Guide
--- NEW UPDATED GUIDE CLICK HERE ---This tutorial is aimed at getting some instant gratification from your WS2812 LEDs (also known as NeoPixels). We'll briefly cover a bare-bones setup for Raspberry Pi. This tutorial will work with ANY mod...
WiFi GlowBit Matrix Control with WLED and ESP32/ESP8266 Dev Boards – Make Pixel Art with No Code!
Nothing beats bright shiny colourful lights and adding an extra dimension only makes them better. This guide demonstrates the fastest and most customizable way to have WS2812B grids of fully addressable LED Nodes come alive. Exactly ...
Arduino, Learn the Lingo
Getting into the Arduino environment is a lot of fun but with so many acronyms and slang terms its easy to get confused. Knowing this first hand, I have put together a glossary of sorts for terms relating to Arduino, if you are new to the A...
FAQ on Lulzbot Support and Warranty
What level of support do I get with my Lulzbot products? For all technical support enquiries for anything Lulzbot related, Aleph Objects have support covered all-day long. Email [email protected] and the team over at AO will get back to ...
Saleae Models Compared
Logic analysers are an incredibly valuable piece of test and measuring equipment, but sometimes it can be hard to work out exactly what you need, and what model is going to best suit your needs. If you’re not sure what a logic analyse...
Wings of the Feather
The Feather boards are the brains of your project, we took a closer look at the different models in our Birds of Feather article, check that out first (especially if you have no idea what the difference is between a feather and a wing). You...
Preparing a Computer Model for Resin 3D Printing – Lychee Slicer
So you have a 3D CAD (Computer-Aided Design) file and you want to 3D print it with a resin printer. Then look no further, you have come to the right place. So before you can print your CAD model we are going to need a sliced file of th...
Arduino Serial Communications
Serial communication is the process of communicating between electronic devices one bit at a time. Serial means one after the other, so we think of serial communications as transferring data one bit at a time, one bit after the other. ...
Infrared Sensing, Hardware Interrupts, and the Arduino
Infrared (IR) is a great way of using non-visible light to control electronics, and there are a bunch of modules that we can use with our Arduino. However, what do we mean when we are talking about infrared and electronics? Well, IR remotes...
Light Sensing with an LDR and Pycom
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. One of the simplest sensors in an...
Getting Started With Inertial Measurement Units | Exploring Degrees Of Freedom
In this guide, we'll be learning about sensors that measure inertial movement, how they work, how to choose the right sensor type, and how to get the most out of their readings. Hardware mentioned in this guide: PiicoDev Accelerometer ...
Object and Animal Recognition With Raspberry Pi and OpenCV
[Update – Until there is correct compatibility of OPEN-CV with the new Raspberry Pi ‘Bullseye’ OS I highly recommend at this stage flashing and using the previous Raspberry Pi ‘Buster’ OS onto yo...
Fritzing up an Arduino SHIELD
We want to show you how great Fritzing is when it comes to going from your breadboarded prototype to a polished, Etchable PCB design. We are going to utilize a completed circuit we used for our SPI Arduino tutorial that uses a shift registe...
Controlling Servo Motors with Arduino
Servo motors are extremely useful in so many different applications; it’d be good to learn how to control them! Solenoid and DC motor control have been shown already; for the most part, they are both pretty straightforward (only powe...
Setting up 8Bitdo Controllers in RetroPie
Hey there, are you loving the vintage gaming experience that is RetroPie? Wait, you haven’t heard of RetroPie. No! You’d better go and check out our Gaming Kit for RetroPie tutorial ASAP. Oh good, you now know the awesomeness t...
How to use GPS with Arduino - Parse and Log NMEA Sentences
Now that we've investigated and explained how How GPS Receivers work we can apply that understanding to some real-world applications of of the ideas. To start, we can use any GPS receiver, an Arduino Uno and some male-to-female Jumper ...
PiicoDev Potentiometer - Getting Started Guide
This guide will help you get started with a PiicoDev® Potentiometer - an intuitive input device that allows you to easily interact with your project. PiicoDev Potentiometers are available in two flavours: Rotary and Slider. We'll ...
MOSFETs for Makers: Getting Started with High-Power Control
In this guide, we’ll learn how to harness the power of MOSFET transistors to easily control higher-powered components like solenoids, motors, and Peltiers with a microcontroller. First, we will cover an easy-to-follow example using s...
PiicoDev RFID Module - Guide for Raspberry Pi Pico
Radio Frequency IDentification (RFID) uses electromagnetic fields to identify and communicate with tags. Each RFID module emits radio waves that energise the passive tag, which then responds with its own identifying number or data, as reque...
PiicoDev RFID Module - Guide for Raspberry Pi
Radio Frequency IDentification (RFID) uses electromagnetic fields to identify and communicate with tags. Each RFID module emits radio waves that energise the passive tag, which then responds with its own identifying number or data, as reque...
Raspberry Pi Pico W | Overview, Features and Specs
IntroductionLet’s take a look at the Raspberry Pi Pico W - a WiFi-enabled development board from Raspberry Pi. This overview article will explore the Pico W features and specifications. As always, there are additional resources at th...
Our Recommendation for your first Benchtop Oscilloscope
You’ve been working on that project for days, even weeks, and you’ve gone through all the steps of the process; meticulously ensuring everything is above board. And yet, for some unexplainable reason, your circuit is acting out....
What are Xbee Modules?
Wi-Fi, as we know it, is a form of wireless communication based on the 802.11 standards as outlined by the IEEE (the Institute of Electrical and Electronics Engineers). If you're paying attention to it, you'll notice an appendage to this st...
Onion Omega - First Time Setup Using the Command Line
In this tutorial, we will learn how to set up the Onion Omega2/Omega2+ for the first time using the command line. While the Omega2/2+ has a graphical setup wizard and a web-based GUI called the "Console," we have found both to ...
How to Pair and Map 8Bitdo SF30 Pro Controller with RetroPie
8Bitdo have brought joy to many retro-gaming enthusiasts with their SF30 Pro Bluetooth controller. It’s a fantastic piece of gear, and one of our favourite controllers to use with a RetroPie setup. We’ve covered off on our thoug...
Temperature Sensing with the TMP36 and Pycom
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. The TMP36 is a low cost, eas...
Our Lulzbot Taz 6 Review
Lulzbot is constantly building upon their printer's design, incorporating the best modifications and add-ons from the community into their newer models. In May 2016, their newest addition to the TAZ line of printers, the TAZ 6 wa...
Cura: 3D printing software for your Lulzbot Printer
Once you setup your printer and finish printing your first rocktopus, you will inevitably want to move onto more ambitious prints right away. It’s understandable, all the possibilities all at once, I get it. We are going to step you ...
Our tips for Coin Cell Batteries
Firstly, what are Coin Cell Batteries? A coin cell battery is a flat, cylindrical battery used in a bunch of small electronics applications. You might have seen them in a wristwatch, remote control or any piece of wearable tech. Typically ...
8Bitdo Zero Controller Review
It’s always a fun day when you get hands-on with a device as cool as the 8Bitdo Zero Bluetooth gamepad. 8Bitdo are known are for their re-creations of classic gaming controllers such as the SFC30 and NES30 which bring the magic of NES...
Pycom LoPy Overview
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. The two main standards at work in...
Natural Disaster Sensor Project with Circuit Playground Express
There is some wild weather approaching! We need a way to give ourselves an early warning when a disaster strikes! In this project, we will use the Adafruit Circuit Playground Express to make an all in one Disaster Detection Station that wil...
Makerverse Load Cell Kit Guide | Measure Weights and Forces
Introduction Welcome to the guide for the Makerverse Load Cell kit. With this hardware you will be able to make a set of scales capable of measuring weights up to 3kg with a precision as low as 0.1g! To follow along you will need: ...
IoT with LoRaWAN, Pycom, The Things Network & Node-RED
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. In our two previous Pycom article...
Powering Portable Projects: Batteries
Want to make your project portable? We've put together a quick guide to get you up to speed on battery options and help you decide which batteries might be best for your project. Batteries are a whole different game to plug packs and bencht...
Support Material: Printing and Removal
By default, FFF/FDM 3D Printers require the 3D Models they print to grow up from the Print bed at an angle of 45 or more. This is by far the biggest limitation of all 3D Printers. To print models that don't follow that rule, and have parts ...
PiicoDev Air Quality Sensor ENS160 | Getting Started Guide
The PiicoDev® Air Quality Sensor is based on an ENS160 multi-gas sensor that detects Volatile Organic Compounds (VOCs). These measurements are run through some algorithms to produce standardised outputs like Air Quality Index (AQI...
How to use an ESP8266 in the Arduino IDE
In August of 2014 Shanghai-based chip manufacturer, Espressif, released a ultra-cheap Serial to Wi-Fi chip called the ESP-01. At the heart of the ESP01 was an ESP8266 chip broken out into the 8 pins needed to program it via a microcontrolle...
Unleash your creativity: 3D Printing with Soluble Supports
Recently, we got a brand new Dual Extruder v3 Tool Head from LulzBot and took a dive into the design of it, mainly, what makes it so great for Dual Extrusion with our 3D Printers. First, a quick recap, Dual Extruding is the process of using...
Getting Started on The Things Network
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. Since you’ve got your new P...
Drawing Schematics With Eagle
warning: this guide is dated and kept for legacy reasons. Links may not work. Welcome to part 1 of our Cadsoft Eagle tutorial. Put your hand up if you’ve always wanted to take the clunky, delicate circuit you’ve c...
Getting Hands-on with Sensors
What good is a robot if it can’t interact with the environment around it? Sensors are the backbone of almost every electronics project as they allow your program to make decisions based on external stimuli. We’ve got sensors for...
How to Build an Arduino Library
Have you ever wanted to simplify or automate a task using an Arduino? Yes? Well, have you ever wanted to simplify the code required for that task into a neat collection of easy-to-use functions? Also yes? Then this tutorial is for you! In t...
Encoding and Decoding Payloads on The Things Network
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. Sending data to the cloud is grea...
The Things Network, IFTTT, and BEYOND!
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. Connecting your Pycom Lopy4 or an...
Pycom Expansion Board - Getting Started
Where do I start? If you’re new to programming Python is a great place to start! I’ve seen Python taught to primary school age children and I have used Python in a Machine Intelligence course at university. It’s no wonder...
Set Up a Geophone with a Raspberry Pi and an ADC (ADS1115)
Geophones are devices that generate electric signals proportional to the particle velocity in a sound/compression wave. More simply a Geophone is a super low frequency microphone for the ground. Geophones are used around the world to measu...
I SPI with Raspberry Pi
I SPI with my Raspberry Pi, something beginning with…S! Serial-Peripheral-Interface (SPI)! Welcome to our Raspberry Pi SPI communication tutorial. Today we’re going to look at how to use the SPI bus on our Raspberry Pi ...
Our littleBits Gizmos and Gadgets Kit (2nd Edition) Review
The new Gizmos and Gadgets revision 2.0 from littleBits is here and we've decided to review the kit for any budding inventors (or inventor's parents) out there. The v1.0 kit was impressive enough, we were interested to see what littleBits c...
Your First LoRaWAN Node on The Things Network
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. In the lasts article we looked at...
Ultrasonic Sensing with Pycom
Note: With the rollout of TTNv3, the "Setup" section of this guide no longer works - but we're keeping it here for posterity. Let us know on our forums if you need help getting started with the new method. One of the most common sensors in...
Swell Python Scripts with the Turtle Library
Time to flex some of the coding muscles we have gained. Using the knowledge we have with Python, this guide will go through the creation of interesting and dynamic graphic animations. The first codes in this tutorial are generators for geo...
DIY Solder Stencils with a Laser-Cutter
When it comes to assembling a prototype Printed Circuit Board (PCB), there are a couple of options for applying solder-paste: Paste each individual pad by hand with a syringe, or; Use a stencil to paste all pads in one pass. The firs...
How to Save Games on RetroPie
So you've got your brand new RetroPie gaming kit setup, but you've got no idea how to save your games. No one wants to be starting afresh each and every time they jump onto their Pi for some light gaming. I've put together this handy guide ...
Digital to Analogue Conversion with Raspberry Pi
Raspberry Pi right? It’s amazing! Raspberry Pi has taken the world by storm and changed the way that people think about computing. The Raspberry Pi 3 builds on this with some amazing new features, however one feature that is still ab...
How to Build Your Ultimate RetroPie Gaming Console
Amid all the new controllers that 8Bitdo have brought out and the mountain of Raspberry Pi cases and accessories that are available, we’ve bundled everything together to create the ultimate RetroPie gaming console. If you’ve bee...
WS2812 / NeoPixel Addressable LEDs: Pycom Quickstart Guide
Sometimes all a good Pycom project needs is some colourful lights! This tutorial demonstrates how to control WS2812 LEDs with the Pycom Wipy and Lopy4. WS2812 or WS2812B LEDs (otherwise known as NeoPixels) are the most commonly used RG...
Mobile Networks - Where Can My IoT Device Connect?
The Internet of Things (IoT) describes the network of physical objects that are all around us which are blessed with sensors, software, and other technology for the purpose of connecting and exchanging data with other devices and systems al...
CPE (PETG) - My Trick to 3D Print It Beautifully and More
Co-Polyester is an astounding material in terms of properties, all the best properties of Tough PLA and ABS which are then dialled up just that extra bit in regards to both ruggedness and durability. Ultimaker offers two versions of Co-Poly...
Getting Started with Rotary Encoders | Examples with Raspberry Pi Pico
In this guide, we'll learn what a Rotary Encoder is, when and why we might use a Rotary Encoder, and how to use a Rotary Encoder with a Raspberry Pi Pico. To follow along all you'll need is: A Rotary Encoder - we recommend using our br...
Track Airplanes up to 400km Away with a Raspberry PiAware - FlightAware
It is time for an Airplane Tracking Raspberry Pi! The final setup here will let you personally collect data on the exact whereabouts of airplanes over 400km away. It will update one to four times each minute. Be passenger planes, cargo air...
Read-Only Raspberry Pi - Never Corrupt your Micro-SD Card
Here is a solution so you can turn your Raspberry Pi handheld computer on and off from the power plug (power cycle it) just like any other appliance in your home! And it can all be done through only one setting. With a normally set-up Rasp...
Our Arduino SPI Tutorial
SPI stands for Serial Peripheral Interface and it is a way to send data between microcontrollers and other small devices. It is a synchronous data bus, meaning it uses a clock to regulate the data transfer. SPI is also Full-Duplex com...
Ultimaker 2+ 3D Printer and Ultimaker 2 Extended+ 3D Printer - Overview, Setup and First Print
This will be an overview, initial setup and first print guide for the Ultimaker 2 and Ultimaker 2 Extended . Quick links for the contents of this guide is seen below. Printer Overview Printer Characteristics ...
PiicoDev 3-Axis Accelerometer LIS3DH - Getting Started Guide
This guide will help you get started with a PiicoDev 3-Axis Accelerometer. We'll walk through some examples to read acceleration, infer tilt angle (from gravity), and detect tapping and shaking. An accelerometer is a device that mea...
Lightning Sensor with a Raspberry Pi Single Board Computer - 40 KM RADIUS RANGE!
What if I told you that you could have the power to detect a lightning strike from 40km away? You'd probably think I've gone mad watching too many Marvel movies. But it is true! All thanks to the DFRobot Gravity: Lightning Sensor. Accessib...
Plant_io Sensors Guide | Connect Sensors and Log Data
In the Plant_io Basic Setup Guide we assembled the Plant_io platform to automatically irrigate plants, and sprouted some seeds. As the project runs, a log file is updated with data captured at each interval. This simple log allows us ...
Exciting Features - Ultimaker Cura
Ultimaker Cura is an excellent slicing software to get the best out of your 3D printers and make the greatest models it possibly can, but it can do so much more! Cura is a brilliant means to inspire and expand your own creativity particular...
Overview of Resin 3D Printing and Calibrating the Print Platform with the Creality LD-002H
Resin 3D printers are an immensely powerful tool in the hands of a maker and they have never been more accessible. This will be a rundown on this technology, contrasting it to filament 3D printing and an explanation of tools whilst tea...
Zero To Maker Workshop | Fab Academy (Our Experience)
Welcome to 'Zero to Maker,' a workshop that will walk through and introduce a ton of tools and skills to help Makers of all skill levels! In this series, Jaryd and Liam will be completing projects as a part of the 2024 Fab Academy and...
GlowBit Matrix 4x4 - Python and MicroPython Guide
Introduction This guide will cover the basic functionality of the GlowBit Python library when driving a GlowBit Matrix 4x4 module. To follow along, it's best to have: A GlowBit Matrix 4x4 A Raspberry Pi Pico ...
Face and Movement Tracking Pan-Tilt System with Raspberry Pi and OpenCV
[Update – Until there is correct compatibility of OPEN-CV with the new Raspberry Pi ‘Bullseye’ OS I highly recommend at this stage flashing and using the previous Raspberry Pi ‘Buster’ OS ...
How to set up a PiHole on a Raspberry Pi - Block All Ads and More!
Time to create a Little Red Advertisement Devouring Monster. This will be a self-hosted, network-wide, ad-blocking system running on a Raspberry Pi Single Board Computer. It will also stop access to malware sites and phishing websites. Fur...
Ultimaker 3D Printer Material Guide
One of the most critical parts of a successful 3D print is the correct material choice and through its careful consideration you will get the best result for the final component you had in mind. Ultimaker has a wide range of 3D printi...
Raspberry Pi Pico with LoRaWAN and The Things Network - Makerverse LoRa-E5 Module - Transmit Weather Data into IoT
Feel restricted by your connectivity? Want to send data from a remote node 10km away from civilization? Or ~3km when you are in a built-up civilization. Feel the urge for Liberation? Then I have the solution for you! Using only hardware bu...
Plant_io Basic Setup Guide | Automatically Water a Seedling Based on Soil Moisture
What We'll AchieveThis guide will help you set up a Plant_io controller to automatically irrigate a plant of your choice. This example focuses on germinating seeds, but this is only one option. Along the way we'll: Assemble a hardware pl...
Raspberry Pi Workshop for Beginners
Welcome to the Raspberry Pi Workshop for Beginners! Here you'll be able to follow along with our series of bite-sized videos that cover everything you'll need to know to get started with your Raspberry Pi, and start making awesome project...
Python Workshop for Beginners
Welcome to the Python Workshop, where you will learn everything you need to hit the ground running with the worlds most popular programming language Python. My name is Tim and am a passionate maker and cherish free exchange of knowledge. I ...
Logic Level Converters for Raspberry Pi
So you’ve got your Raspberry Pi, you’ve got your sensors and external components and you’re ready to build a world-conquering robot beyond compare. But hang on a minute, the sensor you have only operates on 5V and you vagu...
How to Use a Logic Level Shifter/Converter
So you’ve got your microcontroller/development board ready to go, you’ve got your sensors and external components and you’re ready to build an IoT device to make the world your slave. But hang on a minute, the sensor you h...
Logic Level Converters for Particle
So you’ve got your Particle Photon or Electron, you’ve got your sensors and external components and you’re ready to build an IoT device to make the world your slave. But hang on a minute, the sensor you have only operate...
Stress Testing Your Raspberry Pi (for Cooling and Overclocking)
We have a more recent guide to Stress testing your Raspberry Pi, this guide has been kept here for reference. Part of the joy that is Raspberry Pi is getting stuck into it at a slightly lower level and finding out exactly what yo...
PiicoDev Motion Sensor MPU-6050 - Micro:bit Guide
Introduction This guide will help you read motion data from your PiicoDev® Motion Sensor and a Micro:bit. To follow along, it's best to have: A Micro:bit v2 A PiicoDev Motion Sensor MPU-6050 A PiicoDev adapter for Micro:bit ...
Arduino Boards, Compared
We're going to compare each of the Arduino Boards available to Maker's and Electronics Enthusiats. We'll discuss the features of each board, provide an informative pinout diagram with tonnes of detail, and toward the end of the article, pro...
Resin 3D Printing Cheat Sheet
Nothing beats a good cheat sheet. So wouldn't it be great to have a single image, that encapsulated a tonne of handy 3D printing tips and information and have it be ready to hang on the wall in your own Makerverse. Well, we agreed so much ...
7 Colour E-Ink Display For Raspberry Pi | Inky Impression 5.7" (7 Colour ePaper/eInk HAT)
It has finally happened, they figured it out! The new frontier of Colour Electronic Paper is here and I'm very impressed. People have been demanding this ever since the first E-Paper readers hit the market in the noughties. That black and ...
How to Drive High Power LEDs – 3W Aluminum Backed Star LEDs
High power LEDs (Light Emitting Diodes) have different requirements that need to be met when compared to regular LEDs. Current regulation using only resistors is impractical so it is necessary to use a switched-mode voltage and current reg...
Make 3D Prints Look Like Gold - Gold Leaf and 3D Printed Components
Sometimes an electronic component will be so stunningly beautiful that you can't help but encase it in gold. That's what happened to me with the Pimoroni Micro Dot pHAT for Raspberry Pi Zero. Hopefully, you can relate. My go...
"Hello World" with Raspberry Pi 3
Today we’re going to take a look at how to get started and setup that fancy Raspberry Pi you’ve just bought. If you’re still not sure exactly how the Raspberry Pi works, or what it can do, check out ‘What is a Ra...
Windows 10 IoT on Raspberry Pi 3
Today we’re going to look at installing the Windows 10 IoT (Internet of Things) core onto a Raspberry Pi 3. Traditionally Windows has been the resident overlord of desktop devices, however in recent years we’ve seen it t...
Remote 3D Printing with OctoPi
Remote control of your 3D printer is a particularly appealing concept, especially if you've been forced into printing via USB in the past. Using your new 3D printer should be as simple as plugging it in, uploading some G-Code and pressing '...
Setting up your OctoPi Kit
So you have just received your OctoPi kit and you are looking to get it up and running. All you need to do is grab out all the parts you received and around 20 minutes of time. To connect your OctoPi to the network you need to decide what ...
Your First Print with a Lulzbot 3D Printer
Once you receive and unbox your Lulzbot machine you might be so eager to print things, you skip a few steps in the setup process and all of a sudden you are having all sorts of difficulties that you can’t understand. It happens, what ...
Our Raspberry Pi Compute Module 3 Review
A new day is upon us, and it is glorious. After all, it’s not often that a new Raspberry Pi board is released. As you’re probably aware, the current iteration of the popular Raspberry Pi microcomputer is the Raspberry Pi 3. It h...
The Lulzbot 3D Printers: Mini vs Taz
Hailing from Aleph Objects in Loveland, Colorado, the Lulzbot range of 3D printers are world renown for their quality, reliability and ease of use. The reason they're so popular? Apart from the gilded Lulzbot technical support (practically ...
3D Printing Cheat Sheet
Wouldn't it be great to have a single image, that encapsulated a tonne of handy 3D printing tips and information to hang on the wall behind your 3D Printer? Well, we agree so much so that we've gone ahead and created this infographic/cheat ...
Unconstrained 3D Printing with LulzBot's Dual Extruder v3
Dual Extruding with FDM 3D Printers is typically reserved for the most expert-level makers. By adding the ability to print with 2 materials, you open yourself up to a spread of conditions that simply didn't exist with a single extruder setu...
Designing FDM 3D Printed Parts for Manufacture
Recently, we've talked a lot about Slicing software, settings, materials and the like. It's time to take a deeper dive into the actual design of model files. We've got a basics guide for Computer Aided Design available here. We're going to ...
3D Printing for the Circuit Playground
You’ve made yourself a great project for your Circuit Playground Express, now all you need is a box to put it in. How do you keep your Circuit Playground safe in a housing while still being able to press the buttons and use the sensor...
Using Slicer for Fusion360 for Laser Cutting
Laser cutting is a very fast production and manufacturing method that has one limitation. You can only cut flat surfaces! Well don’t let that stop you from creating 3D objects and sculptures with a laser cutter, Fusion360 has a great ...
Tune your First Layer - Z Offsets
Out of the box, a LulzBot 3D Printer comes tuned to perform exactly as you need it to. But over time we flash new firmwares, take our printers cross country, swap tool heads, perform cold pulls and a whole swathe of other things that could ...
How to Connect to your Raspberry Pi 3 Model A+ Remotely Using SSH
Sometimes a good Raspberry Pi project needs to be in a place that just hard to reach. The Raspberry Pi 3 Model A+ has a small form factor and is well suited for being tucked away inside a box, ceiling, or wherever your project demands. It...
Raspberry Pi 3 Model A+ Comparison
There is a new Raspberry Pi! The long-awaited upgrade to the Rasberry Pi 1 Model A+ (Rpi1 A+). In this article, we are going to look at how much improvement the new Raspberry Pi 3 Model A+ (Rpi3 A+) is over the Rpi1 A+ as well as how ...
Slim Case for the Raspberry Pi 3 B+ Assembly
The Slim Case for the Raspberry Pi 3B+ provides protection for your Raspberry Pi without adding unnecessary bulk. Best of all it keeps everything sleek and tidy without hiding the board itself. The Slim Case was designed and manufactur...
Raspberry Pi 4 vs Raspberry Pi 3 Plus (Model B)
The Raspberry Pi 4 Model B is finally here! This is a huge leap forward for single-board computing and what better way to explore it than power one up, run some tests and stress it out! Here are the test results for those peopl...
Ultimaker 3D Printer Material Compatibility
In this world not all machines are made equal and this is especially true in the sphere of 3D printing. One of the best ways to compare 3D printers is by the magnitude of materials it is capable of producing high-quality components from. Yo...
Ultimaker Dual-Extrusion 3D Printing Guide
The realm of 3D printers is currently the forefront of new technology. The capabilities of these machines are under relentless progression determined hugely by the technologies available and needs from the community. Reliability, accuracy a...
ONESIE Family - 3D Printable Cases for Raspberry Pi 4 Model B
The ONESIE family of cases come in three distinct models; Stealth, Maker and Hats. This will be a guide introducing the ONESIE family, the 3D printable monocoque stealth cases for Raspberry Pi 4 Model B, talk about what makes them di...
Ultimaker 3D Printer Build Platform Calibration
For Ultimaker 3D printers it is crucial to have a flat and level build platform which is parallel to the path of the nozzle. By having a correctly set up print space it will ensure the best possible results for all 3D printed components.&nb...
Loading and Unloading Filament for Ultimaker 3D Printers
Installing filament into your Ultimaker 3D printers will quickly become an intuitive process. But until that happens I'll be here to help run down the process and to teach you exactly how to do it whilst keeping your awesome 3D printer safe...
Ultimaker Cura - An Overview for Makers
This will be a guide giving an overview of Cura, the open-source 3D printing slicing application from the smart cats at Ultimaker. Put simply Ultimaker Cura is a software which allows you to turn the computer file of your design into a reci...
Ultimaker Print Nozzles Overview and Installation
In your foray into the 3D printing sphere, you will likely just run into moments when using a new extruder nozzle type would be beneficial. An often-overlooked detail, different nozzles give all different kinds of advantages and with the ri...
Printing Perfect First Layers - Ultimaker Cura
If your utilizing a correctly set up Ultimaker S5 3D Printer you should have no issues with first layer printing. So long as there are print profiles available on Cura, which most likely it will, with a correctly set up 3D printer you will ...
Never Have Filament Grinding Again - Ultimaker
Filament grinding is very unlikely to occur if your running an Ultimaker S5 3D Printer with Ultimaker materials or 3rd party supported materials. Filament grinding occurs when the knurled feeder gear slips against the filament instead of sm...
Purge Towers and Ooze Shields - Ultimaker Cura
Dual-extrusion printing is an absolute treat and Polyvinyl Alcohol (PVA) as a support structure is truly worth a celebration! You can produce immensely detailed models with a ton of supports and not be concerned about removal. Just immerse ...
Perfectly 3D Print All Types of Lithophanes and Add Colour
Of the many great objects you can create using any 3D printer lithophanes are definitely up there. Traditionally lithophanes were an etched or moulded artwork created on a very thin translucent porcelain that can been seen clearly only...
3D Print Scale Models Without Losing Detail - Cura Tricks
This guide is all about doing clever things in a software to get the best results out of a 3D printer. The main focus is turning intricate CAD files into a format that you can print without small details or thin walls being neglected b...
Improving Results with Transparent Filament
Fused filament fabrication and transparent prints! No, surely you mean SLA prints. And true you can get excellent transparent prints effectively using SLA however consumer-grade fused filament fabrication can be mistaken for glass when corr...
Create Fantastic Finishes on 3D Printed Components
A special part of me enjoys it when people go ‘I cannot believe that was 3D printed’ and one of the best ways to get that reaction is through post-processing. Now not to belittle the beauty of a raw print result you can achieve ...
3D Printing Onto Fabrics
One of the swell things about 3D printers is being able to lay fabric onto a build plate and create components directly on top of or embedded with fabric material through them. This lets you easily sew designs onto clothes or create interes...
Make 3D Prints Perfectly Clear
★ Achievement unlocked - 3D Print "Glass" ★ Your friends will not believe the results but this guide will tell you all the secrets to have a 3D printed component which is beautifully transparent to the point of being able to ...
Wood Lacquer and Vanish on 3D Prints
This is the process I go through to make Polymaker Polywood look like actual wood (or at least I had a good go at it)! It will assume you already have a 3D printed components made from Polymaker Polywood Filament. This is a PLA (p...
3D Printable VESA Mount for Argon One Case And M.2 Case
[Update 18-02-2021 - Made a Vesa Mount for the Argon One M.2 Case as well so nobody missed out] A quicky article for those who have their Raspberry Pi 4 Model B all tucked in snug by the very stylish Argon One Case but wish they could...
Modify G-Code to 3D Print Better
If you hang around 3D printers, X-Y plotters, CNC machines, drawing machines, or people who use any of them G-code is a term that will universally come up no matter where you find yourself in the world. But what is it? And how is it being u...
3D Printing Better Print-in-Place Mechanisms
Print-in-Place mechanism is one of the special things about additive manufacturing that all other manufacturing methods just cannot replicate. They use various hinges, linkages and joints to create moving parts that are printed as a single ...
Alcohol Inks to Colourise Resin Prints - Three Different Methods
One of the special properties of transparent resin prints created by DLP 3D printers like the Creality LD-002R and SLA printers like the Formlabs Form 3 is how vibrantly you can colourise them with Alcohol Inks. Simply by dabbing on just a ...
Pico Armour - A 3D Printable Case for the Raspberry Pi Pico
A super quick article for those who just got their hands on the Raspberry Pi Pico and want to keep it safe and snug in a case. Either with a resin printer or fused filament printer both can produce excellent cases. It was very pleasant prot...
3D Printed Case For Raspberry Pi Pico and PiicoDev Boards
Let me introduce a new 3D printable case for the Raspberry Pi Pico and the PiicoDev ecosystem. There are variants of the case, one which allows you to wall-mount the system and another variation that makes it possible to charge the dev...
Make 3D Prints Look Like Chrome and Steel - Metallic Paints and Finishes For 3D Prints
Demonstrated here are two metallic finishes, that you can do to any 3D print, that will astound your friends and family when you tell them 'It was actually 3D printed and these are not metal at all'. These finishes are perfect to use for co...
3D Printable Charging Docks For 8BitDo Controllers
No gamer cave is complete without a retro gaming console and 8Bitdo Controllers are the best retro-gaming controllers you can buy. These controllers are simply that good. But there is nothing worse than rushing downstairs eager to play...
How To Complete Your First Resin 3D Print
So, you have set up your shiny new resin 3D printer and now want to produce beautiful models. Well, this tutorial will tell you exactly what to do from filling the tank, starting a print via USB then the removal, cleaning, and final UV ligh...
GraviTrack Enhancements - Lights and Sound
Introduction Searching for solar panels and related items on the Core Electronics website; I came across the Solarbotics GraviTrack Marble Machine Kit. I thought the kit would be a good educational tool for the grandkids. The kit was a hit...
Quadbeest - A Flying Strandbeest
Introducing to you today, the Quadbeest, the next evolutionary step in the Strandbeest genealogy. It seemed to be about time for Strandbeests to evolve to take over the air, so I made it happen. Able to be controlled over a kilometre in the...
Super cheap Xbox 360 wireless adapter
This project is to build a super cheap wireless adapter based on Raspberry Pi Zero and ENC28J60 ethernet module for Xbox 360I have two Xbox 360 consoles and today I want to connect them together but I only have one OEM wireless adapter. It ...
Duck Off! A Duck Repellent Device
Introduction
We live on a rural property and have around 20 to 40 wild ducks around at any one time. We have a large dam and jetty, however it is almost unusable due to all the ...
Racing Simulator Motion Platform
Hi. My son and I have made our first Racing Simulator Motion Platform. It has been a challenge but we now have a playable situtationIt has been a long journey, starting off with info from the great people at www.xsimulator.net and a lot of ...
Arduino Tide Gauge
I used an Arduino and a US-100 ultrasonic sensor to make an extremely low-cost tide gauge. This project measures the tide by sensing the distance to water using a US-100 ultrasonic sensor. The device has a 3D printed base&nb...
Roverling Mk.ⅠⅠ
Introduction
A few months back I created a basic mobile platform using parts from an old 3D printer. It was fun but not very practical. I designed Roverling Mark II so I could experi...
Glow Cuboid
Introduction
I wanted to make something artistic and dynamic using the GlowBit 8x8 matrix that I’ve been playing around with. It’s just an RP2040 programmed in Python to p...
House Power and Solar Monitor
I’ve had a Current Cost Power Monitor for a number of years which worked well until we put solar on the roof. The Current Cost can’t determine which direction the power is flowing and so power generation and con...
I’ve had a Current Cost Power Monitor for a number of years which worked well until we put solar on the roof. The Current Cost can’t determine which direction the power is flowing and so power generation and con...
IR Break-Beam Stopwatch
This project is a simple stopwatch with a little bit of a twist! It operates like a conventional stopwatch… you can start and stop it, you can record lap times and you can review the lap times once you hit stop. The twist is th...
The Hipster Coaster
We wanted to make a interactive display of the fun that can be had with DIY projects to take to Sydney Mini Maker Faire. We decided to do so by utilising the TinkerKit Braccio from Arduino.org, alongside some 3D Printing ingenuity, for an e...
Hands-free Selfie Camera Control
Ever wanted to record a video and be included in it? My children did. One does parkour, and the other loves to dance, both want to perfect their art by watching their moves during practice. They asked their inventor/tinkerer dad, "can you ...
Creating our own Raspberry Pi 3 Case
We've got a whole bunch of Raspberry Pi 3 Cases here at Core Electronics. From the Official Enclosure that's perfect for most uses, right through to the gilded PiBow Coupe from Pimoroni. All of the cases we see have one or two impressive fe...
Environment Monitor - V2
This project started due to the smoke haze that enveloped our area during the 2019 and 2020 bushfires. I wanted something to check the air quality of my home and maybe find areas where it needed better sealing. In addition, the BMP280 senso...
Hogwarts Lights
Although there are commercially available lighting kits for Lego models, we found those that are available for this Hogwarts Castle can seem a little garish and don’t do the best job at concealing the wires. We felt that with t...
Portable Arcade Emulator
Introduction
I am a Mechanical Engineer, and after 30 years in industry I now teach Engineering at High School. I create various projects in my spare time and bring them to school to inspir...
Backyard Birdcam
Introduction
I had been thinking about how best to capture clear close-up photographs of some of the many birds we see around our property for quite a while and mulling over a variet...
3D-Printed GPS Speedometer
Introduction
I wanted a GPS speedometer that is portable, robust, and looks okay. I had been messing around with 3D printing and exploring GPS modules for a few years and wanted...
Solar Charging Station
The aim of this project was to use the sun to charge some batteries with 1W and 2W Seeed solar panels. The DFRobot Solar LiPo Charger and a Sunflower Solar Power Manager were purchased. Initially, this was unsuccessful because I did no...
Hogwarts Legacy Broom Flight Controller
Introduction
I embarked on this project to enhance my interactive and immersive experience with the video game "Hogwarts Legacy," as a devoted Harry Potter fan. Initially, I used a Kano wan...
safePower
I like working with the Pi Zero W and Pi 4 as they are very compact, very powerful and very cheap for the capability they offer. I want to use them on small projects, stand-alone, and can't always guarantee power. As we know most Pi's don't...
Bill of Materials
RetroPie in a Cartridge
For $50 and some dedication a retro gaming console can be yours and with HDMI you can play it with any modern TV or monitor. Instead of using bulky and space taking cartridges and discs it's all on the console. For this build, we're going ...
Roverling
Introduction
My first 3D printer was a CTC generation 2 clone of MakerBot ‘The Replicator Dual’, circa 2012. It died a little while back and has since been replaced ...
Wefted Waveforms
This project aims to fuse neopixel strips with papier mache and origami into a free-standing electro-sculpture. The freestanding structure is formed from wire mesh and papier mache. It is then painted and wired up with strips of LEDs conne...
Raspberry Pi Video Looper Display Installation | Overshare Video Festival
Introduction
A suspended ceiling display of forty repurposed screens and displays, each screening crowd-sourced content captured on mobile devices, installed in the entry to Testing Grounds...
Arduino Cooking Alarm with DS18b20 Sensor
Today we will be making an Arduino circuit that will start playing a noise if the water (or surrounding environment) reaches a certain temperature, in our case, that temperature will be 100° Celsius. This is a useful little projec...
Smart Watering System
Introduction This began as an idea after building a very basic single-channel unit. Commercial smart watering systems use a Wifi connection to the internet and get weather reports to determine the level of watering required. These systems...
WhyzaGC - Feather ESP32 addon to the MightyOhm Gieger Counter
This project is about adding a wireless Adafruit Feather HUZZAH ESP8266 or ESP32 v2 with Adafruit Featherwing 128x64 OLED to interface with the self-assembled MightyOhm Geiger Kit.
Introduction
I am always on ...Introduction
I am always on ...
A 3D Printed Ukulele
Here is a project I just could not help myself but build. A 3D printable Ukulele with a body as large as I could fit standing upright on the printers here. The intention was to make it as large as possible, using no supports, and without th...
Autozem
Introduction So now everything is available in this day and age, and all those childhood dreams can now come true as parts, technology and software has come a long way. I had recently taken up the hobby, RC planes. Eventually I learnt ho...
Camera Dew Controller
Introduction My passion hobby is night-time time-lapse photography and astrophotography/nightscapes. This means a lot of time spent outside in the dead of winter overnight and an issue that I faced was dew condensing on the lens. This is...
Tabot
Tabot is a robotic tablet dispenser. It is designed to help elderly people maintain their independence and help anyone who has tablets remember to take them on time.https://www.gofundme.com/tabot-helping-the-elderly Please vist this website...
Mini Desk Vacuum
Chances are if you are anything like me, being a maker is often an excuse to create as big of a mess as possible during the duration of a project. And after the project is finished? You are left with an enormous mess to clean up, taking awa...
Robot Arm Upgrade Project
This project has been a long and tricky one for me, I purchased my robot arm kit from Jaycar many years ago with the intention of controlling it from the start. I used to work with industrial robots, so when I saw this robot kit for sale I...
Vehicle GPS Logger and Speedometer
Purpose
To display time and speed to a driver while logging timestamped raw latitude, longitude and speed as returned by the GPS satellite network. This allows a driver to double-check th...
Pico Baro V2
Introduction:
The inspiration for this project stems back to my childhood when I was curious to find out how the mechanical barometer worked.
Introduction:
The inspiration for this project stems back to my childhood when I was curious to find out how the mechanical barometer worked.
IoT Soundscape
I had been captivated by the sound levels of trains I could hear passing by Metford throughout the day/night. I wondered if a sound level sensor reporting data back over LoRa would help me understand when a train was noisy. I also like the ...
Cosplay Blaster
Hey guys! First time poster. I've been working on a blaster for my girlfriend's costume, and I thought I would share it with everyone. When triggered, it plays a selected sound effect and flashes the light. Pretty simple :)So, this is my fi...
Ping Pong Launcher
I like to take on projects that give me an opportunity to learn new things. For this project, my two goals were to learn more about face detection algorithms and PID controllers but of course, there were so many more skills learned along th...
Pool temperature sensor
This project uses a waterproof ds18b20 sensor to log pool water temperature to an SD card and displays the temperature on an LCD.
For this project, an Arduino Uno was used to create a waterproof water temperature logger. The project...
For this project, an Arduino Uno was used to create a waterproof water temperature logger. The project...
Salvaged Street Light Conversion
Introduction
I salvaged some decommissioned street lights from the local transfer station. I suspect they adorned the main street of Woodend in the past and would now look good in our...
Stargate Zero Point Module
This one is for the Stargate fans out there. A realistic, 3D printed, light-up Zero Point Module! I found a model on Thingiverse for a ZPM - It had good detail but - I took issue with the visible seam, and to change the colors of any cryst...
Simple Relay Timer
Introduction This project started because I needed to replace a water tap timer that had seen better days. The aim was to use a Raspberry Pi Pico and a couple of PiicoDev boards to do what the water timer did. The actual stopping a...
WiFi Garage Door Controller with Raspberry Pi Pico W
I strapped a Raspberry Pi Pico W to my garage door motor and now I can control my garage door from my phone! The Pico W hosts a simple webpage on my local network with three control buttons - one for Up, Stop and Down. Pressing one of...
ThingSpeak temperature & pressure logger
This project logs temperature and pressure observations to a ThingSpeak channel using an ESP8266 WiFi module.
For this project, I designed my circuit and ordered a PCB using easyEDA. The project gets power from a USB port and uses a...
For this project, I designed my circuit and ordered a PCB using easyEDA. The project gets power from a USB port and uses a...
HUGE LED Pixel Panel
I’ve always been fascinated by LED screens and seeing beautiful colours mix and merge to create vibrant displays. I also love games, so what better way to combine the two than a giant LED pixel matrix which can play games, display aud...
Simple e-ink dashboard
The aim of my project was to make a small display to show information such as the clock, weather, calendar, etc. I liked the idea of making a magic mirror, but wanted to try something more unique, less expensive, and easier to assemble (no ...
Sneaky's Bartop Arcade
My first arcade cabinet. Built from scratch using mdf panels, a donated monitor and speakers. Powered by Raspberry Pi 3 running the free image "RetroPie". I have put on ab...
My first arcade cabinet. Built from scratch using mdf panels, a donated monitor and speakers. Powered by Raspberry Pi 3 running the free image "RetroPie". I have put on ab...
LuMa 1 - The Neo Disco Ball
It is real and here it is! Including everything you need to make one a Luma 1 for yourself! So allow me to introduce you properly to the Luminator Mark 1. I'm talking all the ins and outs of this inside-out neo disco ball so you can ...
Accelerometer Controlled Animatronic Finger
This project incorporates two Arduino boards, in a Master/Slave setup. The master is one with an accelerometer (ADLX345) and the slave has a Servo attached (SG90). When tilting the accelerometer, the master Arduino tells the Slave Arduino t...
IOT Shed
The driver behind this project is to allow the remote control of some of the equipment in my shed. I have a CNC router/laser cutter that uses my compressor and dust extractor whilst it is running, and well whats the point in having a comput...
BuzzBox
Do you ever wanna pump up some tunes but you don't know how to play a MIDI file? Fear not, the PiicoDev Buzzer modules let you stack up multiple tones into a song. Find your MIDI, export it through a script, upload it and get grovin'! ...
UNITRAC
The UNITRAC (UNIversal TRACtion system) is a simple 3D printable conversion for the Black Gladiator-Tracked chassis, It’s designed to transform the large wheelbase platform into a self-contained propulsion system that has all the torq...
Smart Home Makeover with HomeAssistant
IntroductionI wanted to bring ageing, and failing, Home Automation infrastructure into the modern age whilst retaining hardware investments already made. Our house had Universal Power Bus (UPB) dimmers and switches installed at build time...
Handheld UV Meter
UV is important to reptiles (and people) in processing vitamin D3 which is needed to absorb calcium. Without it reptiles often suffer from Metabolic Bone Disease (MBD) which leads to weak bones and can be fatal. Thankfully, pet shops have t...
Auto Tracking Camera System
The purpose of this project is to design a system that will automatically track stars or satellites. The first version, described here, is specifically to track stars and operate a Raspberry Pi HQ camera to take a series of long-exposure im...
Mass SD card Image Writer
We've built a mass SD card writer using a Raspberry Pi 3 Model B, some USB hubs and SD card readers. This beast has enough ports to write 49 SD cards at once! At Core Electronics, sometimes logistics hang-ups mean that suppliers cannot mee...
Kid’s Music Box
I want to make a portable music box that my 2 year old kid can operate intuitively on her own. So, Spotify or any other on-demand music platform with tablets and Bluetooth speakers are out of the question. Remember the good old days of putt...
The Amazon Alexa-Enabled Smart Pool System
This project is to allow remote control of my pool and associated lights with a dedicated display inthe house, a phone application and Amazon Alexa. Any and/or all of these input devices may be usedto control the pool. The pool temperature ...
Cheap Deluxe Resin Curing Chamber
After purchasing an Anycubic Photon resin printer, I wanted an easy and reliable method for post-curing the prints. This allows the printed resin to achieve maximum material strength and eliminate tackiness in...
After purchasing an Anycubic Photon resin printer, I wanted an easy and reliable method for post-curing the prints. This allows the printed resin to achieve maximum material strength and eliminate tackiness in...
Raspberry Pi Desk Clock with Data Display
This project uses a Raspberry Pi and TFT display panel to provide a desk clock that also monitors our Home Solar and Battery system, and the weather, in one neat unit.
We recently installed a Solar Panel system and a Tesla Powerwall...
We recently installed a Solar Panel system and a Tesla Powerwall...
Smart Mirror with Raspberry Pi
I had first seen smart mirrors online several years ago and have been meaning to create one ever since, my requirements were to be able to see the time, weather, calendar and news. The great thing about it is the unlimited possibility for c...
The Euclidean
I'm an amateur musician but a pretty serious classical & jazz pianist, and this project arose out of my interest in exploring the difference between writing music for synthesisers and music for piano. I work as a mathematician, so...
PowerPlay SSR Control
Introduction
The aim of PowerPlay is to provide an Arduino platform for managing downstream Solid State Relays (SSR) simply and safely. PowerPlay consists of a custom Arduino Shield, ...
LoRa P2P Wireless Gate Alarm
Introduction
My front gate is a long way from the house at around 300m. I don’t want people wandering around my property without knowing about it. This project uses two Raspberry Pi P...
Hydra Bluetooth Speaker
Wow - this is one monstrous sounding and great looking speaker - even if I do say so myself! This is basically a 2.1 (stereo + subwoofer) system made with 3D plastic parts. Both the full range and subwoofer speakers are based on closed (se...
ATX Benchtop Power Supply
Despite having two high-quality variable (but analog) benchtop power supplies, I decided you can never have too many. I also specifically wanted a fixed, multi-output supply for standard project voltages such as 3.3V, 5V, 9V, 12V, ...
Despite having two high-quality variable (but analog) benchtop power supplies, I decided you can never have too many. I also specifically wanted a fixed, multi-output supply for standard project voltages such as 3.3V, 5V, 9V, 12V, ...
GlowBit Desktop Audio-Visualiser
Introduction
I’ve had this little 8x8 Glowbit matrix for a few weeks now, and for whatever reason, the first thing I thought after running the example programs was “This needs to be synchro...
Circadian Lighting
After experimenting with automatic blue light filters on my electronic devices I wanted to replicate the idea with the lighting around the house so that it would gradually transition to warmer colours as the night progresses. I believe this...
YouTube Desktop Notifier
Do you get nightmares of losing your YouTube Subscribers? If you do, you are not the only one. Luckily I have made this "YouTube Desktop Notifier" to keep me up-to-date with my channels Subscriber and View Counts. This very simple DIY ...
Borg Cube for Scouts STEM Camp
Introduction
What does one make for a Startrek-themed STEM camp for Scouts? Especially when given the Search and Rescue (SAR) activity base to run. Why this base you ask? Usually I run a radio d...Introduction
What does one make for a Startrek-themed STEM camp for Scouts? Especially when given the Search and Rescue (SAR) activity base to run. Why this base you ask? Usually I run a radio d...
Aircraft Lighting Model
The aim of this project was to create a working model of the aircraft exterior lighting systems. Initially, this started as a simple project for Uni, but I wasn’t having that. I wanted to learn something. So of course, I went over the...
Handheld Retropie
Once you go down the retro gaming rabbit hole, that's it, you're not getting out without putting together your own gaming console. It all began with my hacked PSP, which I was running emulators on. Then I wanted to run them on my big screen...
Broken Door Trim Clips
I recently picked up a used BMW E46 and noticed the door panel trims were all hanging on by some duct tape. When I went to inspect, I noticed that all the clips had been broken and replaced with silicone rubber to try and hold it to the doo...
Meet 'Holman' the Ultimate Bluetooth Speaker
Who says you can't have it all? Good looks and a great sound! My name is 'Holman" and I'm a Bluetooth speaker in the form of mans best friend - a dog of course! Why is my name Holman? Well, that's the name of the manufacturer of the PVC pi...
Time lapsing in OctoPrint (Properly!)
Now that we have decked out our Lulzbot Taz 6 3D Printer with a really nice looking acrylic enclosure, I'm just about ready to turn on some serious 3D printing work. But before I dive into that endless pool of fun, it's a good time to take ...
Concrete Lamp
The concrete body of the lamp (which, to my eye look a bit like a leek) is made is two halves. The 1st and 2nd halves are cast in 2 steps using the same mould twice. I had a few failed attempts at making the mould entirely from sta...
The concrete body of the lamp (which, to my eye look a bit like a leek) is made is two halves. The 1st and 2nd halves are cast in 2 steps using the same mould twice. I had a few failed attempts at making the mould entirely from sta...
Doctor Who Chess
I was down at a local game shop recently and noticed their range of chess boards and decided to try my hand at a simple little project. I'm a big fan of Doctor Who, Chess and 3D Printing. So I decided to combine them all together into a fun...
Raspberry Pi 3 B+ Media Center
How-to guides are very useful, but while “do this, then do that” is great to reproduce exactly what is in the guide, it’s less helpful if you want or need to modify the project. This is especially true with technology proj...
NeoPixel Mini Cube
This mini cube is made up of six 4x4 WS2812B panels giving a total of 96 individually addressable RGB LEDs. Buried inside the cube is an ATTiny85 microcontroller powered by a 120mAh Lithium-Ion battery. It also contains a mercury switch and...
ESP32 IR-Triggered Camera with Home Assistant Integration
I love the ESP line-up. I started by messing around with the ESP8266 and I completely fell in love with it. The 8266 is all I ever wanted from a microcontroller: WIFI connectivity, a decent amount of GPIO, a deep-sleep mode for batter...
Math Scroller
I was looking for something educational to 3D-Print for my child in Thingiverse and came across the concept of the Math Spinner. I found the models lacked a method of checking the answer so I wanted to automate it. The core design is inspir...
The Curse Of The Mummy! Egyptian-Themed Halloween Puzzle
Introduction
I’ve had this idea for Halloween for a few years now. I wanted to make my porch display into an escape room for trick or treating. The kids would have to solve an environmental...
Days2Bin: Pico Powered Bin Reminder
Our recycle bin is collected fortnightly, but I can never remember which week, and the printed calendar changes every year! So I made a Raspberry Pi Pico W and GlowBit Matrix powered model wheelie bin which shows when the bins are due at a...
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