Search results for: 'TL431 - Voltage Reference'
- Precision LM4040 Voltage Reference Breakout - 2.048V and 4.096VSKU: ADA2200 Brand: AdafruitHow good is your multimeter really? Or maybe your analog converter needs a good reference? Or lets say you want to test your microcontroller's conversion accuracy...
- MyoWare 2.0 Reference Cable - 10 packSKU: KIT-19627The MyoWare® 2.0 Reference Cable is meant as an extension for the MyoWare 2.0 Muscle Sensor's reference pin...
- Adafruit PyRuler - Engineer Reference Ruler with CircuitPythonSKU: ADA4319 Brand: AdafruitThe first time you soldered up a surface mount component you may have been surprised "these are really small parts!" and there's a dozen of different names too!...
- MyoWare 2.0 Reference CableSKU: CAB-19244 Brand: SparkfunThe MyoWare® 2.0 Reference Cable is meant as an extension for the MyoWare 2.0 Muscle Sensor's reference pin...
- SparkFun RTK Reference StationSKU: GPS-22429 Brand: SparkfunThe SparkFun RTK Reference Station is the perfect solution for your high-precision geolocation, surveying, and time reference needs...
- 40pin GPIO Reference BoardSKU: CE04866 Brand: Core ElectronicsThis slice of PCB is a one-to-one reference for the Raspberry Pi GPIO. If you're prototyping, this can save you a lot of hassle by helping prevent wiring problems. It's designed to slip over the GPIO header and give you a label right next to each pin.
- Voltage Regulator - AdjustableSKU: COM-00527 Brand: SparkfunThis is the LM317TG voltage regulator, a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This adjustable regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Did we mention that this guy is easy to use? It only requires two external resistors to set the output voltage. Each one of these voltage regulators can output a max current of 1.5A.$3.60 AUD, inc GSTAs low as $3.42 AUD, inc GST
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- Voltage Regulator - 5VThis is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Each one of these voltage regulators can output a max current of 1.5A.
- Voltage Regulator - 12VSKU: COM-12766 Brand: SparkfunThis is the basic L7812 voltage regulator, a three-terminal positive regulator with a 12V fixed output voltage. This fixed regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Each one of these voltage regulators can output a max current of 1.5A.
- Voltage Regulator - 3.3V (id33v)SKU: COM-00526 Brand: SparkfunThis is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed regulator provides a great amount of stability and protection for your project and with its on ship trimming this regulator is able to reach an output voltage tolerance within ±1%. Each one of these voltage regulators can output a max current of 800mA.
Makerverse Voltage Regulator - 3.3VSKU: CE08495 Brand: MakerversePower up your 3.3V Projects with this linear regulator.
- Adafruit GPIO Reference Card for Raspberry Pi PicoSKU: ADA4901 Brand: AdafruitThis handy GPIO reference card is the perfect pocket-friendly go-to resource for navigating your way around the Raspberry Pi Pico.
- 10k Slide Potentiometer - (Long Shaft)SKU: CE09106 Brand: Core Electronics
A 10k Potentiometer perfect for adding and visualising an input to your projects
- Voltage Regulator - Adjustable LM1117 SMDSKU: COM-00595 Brand: SparkfunThis is a 1A Adjustable SOT-223 voltage regulator capable of outputting 1.2V to 18V. The LM1117 uses the same pin-out and setup as the popular LM317 adjustable regulator, contained in a handy surface mount package. Requires two external resistors to function.
- KR Sense Current and Voltage Sensor - 45ASKU: SEN-16407 Brand: SparkfunThe KR Sense 45A is a small voltage and current sense breakout board. DC current is determined by measuring a voltage drop across a parallel shunt resistor, then...
- Adafruit GPIO Reference Card for Raspberry Pi Model B+/Pi 2/Pi 3SKU: ADA2263 Brand: AdafruitThis board makes connecting wires to the Raspberry Pi GPIO incredibly easy. It's a reference board that makes it really easy to see if you're connecting your wires...
- Adafruit 12V Bias Voltage Boost Converter - TPS61040SKU: ADA5644 Brand: AdafruitThe Adafruit 12V Bias Voltage Boost Converter uses our new favorite mini-booster, the TI TPS61040, to generate a 12V DC from as little as 3V input. We use...
- 5.0V 250mA Linear Voltage Regulator - L4931-5.0 TO-92SKU: ADA2236 Brand: AdafruitNeed a nice little 5V regulator? Adafruit rather like the very-low-dropout L4931 from ST! This little guy will help you get your 5.5-20V battery or wall adapter down to...
- 5V 1.5A Linear Voltage Regulator - 7805 TO-220SKU: ADA2164 Brand: AdafruitAh the venerable 7805, who amongst Adafruit has not used this popular linear regulator? This big chunky regulator will help you get your 7-35V battery or wall adapter...
- 3.3V 250mA Linear Voltage Regulator - L4931-3.3 TO-92SKU: ADA2166 Brand: AdafruitNeed a nice little 3.3V regulator? Adafruit rather like the very-low-dropout L4931 from ST! This little guy will help you get your 4-20V battery or wall adapter down to...
- Reset / Enable Controller - KA75330 3.3V Voltage DetectorSKU: ADA3428 Brand: AdafruitA voltage detector is handy for projects where you want to make sure your microcontroller doesn't run at a low voltage. For example, say you have a Feather Huzzah...
- USB Charger Doctor - In-line Voltage and Current Meter (Blue)SKU: CE05147 Brand: Core ElectronicsOh no, what is going on with my USB device, it's getting HOT. Queue the USB Charger Doctor. Thanks to this little gadget you will be able to watch and care for your USB device or powered projects.
- Analog Voltage DividerSKU: DFR0051 Brand: DFRobot
The Voltage Divider can detect the supply voltage up to 25V. The DFRobot Voltage Divider module is based on the resistor divider principle.
- Adafruit High Voltage UPDI Friend - USB Serial UPDI ProgrammerSKU: ADA5893 Brand: AdafruitUPDI stands for Unified Program and Debug Interface, but this board is so smol and cute that we will call it the Unusually Playful Device Interfacer and...
Python Quick Reference
Python is one of the fastest growing programming languages in the world! To help you master this language we have made a quick reference guide and are going to cover a few of the basics things to be aware of when starting out with python.&#...
DFRobot 8.9 Inch 1920x1200 IPS Touch Display For Raspberry Pi - Set Up Guide
It is time for a high-quality, complete package, 1920x1200 (HD) display set up with a Raspberry Pi Single-Board Computer. In regards to touch screens with Raspberry Pi have looked at Tiny GPIO HAT LCD displays, medium-sized AMOLED maker di...
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...
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...
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...
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...
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...
How to use Stepper Motors and DC Motors with a Raspberry Pi - Adafruit DC & Stepper Motor HAT
This guide will demonstrate exactly how to control Standard Stepper Motors and DC Motors with a Raspberry Pi Single-Board Computer. To do this as seamlessly as possible we will utilise a HAT. HAT stands for Hardware Attached on Top. HAT bo...
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...
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...
How to use Force Sensitive Resistors with a Raspberry Pi and a ADS1015 ADC
Force-sensitive resistors (FSR) are remarkable electrical components and are proper unsung heroes in the Makers World. Name me a better variable touch input device which has basically no moving parts, all whilst being available in such a t...
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...
Arduino Projects with Robotics Using the Sparkfun RedBoard
Welcome to the final Project Set of the Sparkfun Inventors Kit! This Project Set focuses on Robotics with the final Circuit being an Autonomously Driving Vehicle! New components introduced in this tutorial are: DC Motor/Gearbox Mo...
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...
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 ...
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...
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...
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...
Ohm's Law - Practical Examples for Makers
This tutorial is a guide to the Ohm's Law / Power cheat sheet. You may have arrived here because you received a cheat sheet with your Core Electronics order. If not, no worries! You can still follow along with the examples - we've pro...
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...
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...
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...
Soldering Station Showdown! Hakko FX-888D vs Weller WE1010 Digital
A soldering station is a multipurpose power soldering device designed for electronic components soldering and they find homes on any modern makers desk. They also are widely used in electronics repair workshops, electronic laboratories, in ...
Identify Electrical Connectors
There are a ton of electrical wire connectors, too many to elaborate on in a single guide, however there are a couple of connectors that as a maker you will come across. Often when starting your way into the electronics world all you need ...
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...
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...
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. ...
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...
Overclocking Your Raspberry Pi
Part of the joy that is Raspberry Pi is getting stuck into it at a slightly lower level and finding out exactly what you can do with it if you take a look under the hood. One of the most popular experiments to do with your Raspber...
Python and MicroPython - Compare and Access
Both Python and MicroPython are powerhouse programming languages. Each of them is capable of supporting your programming needs to almost the limits of your imagination. Both languages are transportable, open-source, growing in popularity, c...
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...
How To Control A Motor with the Raspberry Pi
In this tutorial, we are going to connect a Motor to the Raspberry Pi and create a hypnotic self-spinner. We are first going to look at how to wire the Raspberry Pi to the motor controller and the motor. We will then look at using the raspb...
Our Adafruit Circuit Playground Express Overview
Adafruit has done it again with the new and improved Circuit Playground Express. This new version of the Circuit Playground is packed with even more sensors, and capacitive touch ready connection pads. This is a great board for makers ...
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...
Cameras Compared for Raspberry Pi
There are so many types of cameras modules and lenses that are plug-and-play for Raspberry Pi Single Board Computers and that number is steadily increasing. From day to night, you can keep track, photograph, and record your surrou...
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...
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 ...
Python Rundown and Main Windows
This guide will be a rundown on Python, the open-source programming language built by the hugely intelligent Guido van Rossum. This guide will also contain external links to Python resources and download links. Programming is...
Say Cheese with Raspberry Pi Camera
Ever thought it would be cool if your Raspberry Pi could see the world like you do? You’re in luck, camera support is an integral part of the Raspberry Pi hardware, it comes with a built in CSI connector for connecting camera ...
Uninterruptible Power Supplies (UPS) With Raspberry Pi 4 Model B | PiJuice HAT
Now I'm not talking about a delivery service - I'm talking about an Uninterruptable Power Supply for your Raspberry Pi 4. So if your Raspberry Pi project needs to be powered all the time relying solely on the mains power system may leave y...
All the Built-in Functions of Python
In the attempt to give the most comprehensive and truly easy to understand reference pages for the programming language of Python it is only natural to talk about built-in functions. A function in Python is a block of code which only runs w...
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 ...
Understanding ESP32 Naming Conventions
Espressif is a constantly ground-breaking company that produces lots of really cool development modules which includes the ESP32. ESP32 Boards, ESP32 Dev-Kits, and ESP32 Modules (the part that gets soldered to the Board/PCB) are all about ...
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: ...
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 ...
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...
PiicoDev Ecosystem Compatibility
PiicoDev is the open-source and best-documented platform specifically designed with rapid prototyping and maker education in mind. As fellow community educators, we have infused PiicoDev with ideas to ensure that every home project, school...
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 ...
Pass, Break and Continue Keywords in Python
Hola on your next viaje in Python. Python is an absolutely asombroso programming language and this is the next step on the escalera of understanding. This guide will focus on the | pass |, | continue | and | break | keywords. The...
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...
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...
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...
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...
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 DC Regulators/Converters
So, you might have the best project in the world, an amazing idea and design, but no matter how clever your circuitry or how advanced your prototype is, unless you can power your project correctly, it all counts for nothing. Often you will ...
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 ...
Raspberry Pi Compute Module Generations 2020
Raspberry Pi Compute Modules have developed in tandem with the many generations of Raspberry Pi single-board computers. These boards are in every right a microprocessor just like their bigger cousins however they are a very different form f...
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...
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....
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...
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...
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...
How To Choose The Right Resistor.
Resistors are the hardworking underdogs of the electrical circuit world. You have probably added a 4.7k or 330-ohm resistor into your circuit without thinking about why we use those values, let alone what the resistor is doing. We are going...
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...
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 ...
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...
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...
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...
Using Relays with Particle
So, you want to control things with your Particle Photon and/or Electron do you? Well, a relay is a perfect way to do that. Whilst there are many ways to control an electrical signal from digital logic such as transistors and optoisolators,...
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...
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...
Three Golden Rules for Choosing a Power Supply (No Maths!)
Often the last consideration in a maker project, the DC power supply is the heartbeat of many electrical projects and the correct selection requires some consideration. Power supplies go by a lot of different names, you can call them Wall ...
PiicoDev Mounting Guide
This guide is all about mounting PiicoDev® Modules. It covers how to mount modules to PiicoDev Platforms (or any other material up to 3mm thick), and shows the common dimensions and mounting-hole patterns for PiicoDev hardware...
Using the APT (advance packaging tool) to ensure your Pi 4 is completely updated.
To update software in Raspbian, you can use the apt tool in a terminal. Open a terminal window from the taskbar or application menu: First, update your system's package list by entering the following command: Nex...
Choosing Your Next LiPo Battery
As technology gets smaller and more powerful, wearables and portable devices are becoming more common in our everyday lives. Makers are looking to make projects portable and with that comes the need for high capacity batteries that are reli...
Automating Test-Equipment with Python
The full example-code is reproduced at the bottom of this article. Performing manual measurements (in bulk) is for suckers and undergraduate students. Thankfully, most lab gear comes with a digital interface like USB or Serial and you can ...
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...
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...
Oscilloscope Triggers: A quick what and how
So we have vertical graphing of voltage and horizontal sweep, but our signal is just going to go bananas on our screen if we don't sweep at the same point in the waveform. That's where triggers come in, allowing us multiple ways to fix ou...
Controlling a Solenoid with Raspberry Pi and a Relay
Here is how to control a 12 Volt Solenoid with a Raspberry Pi using a 5 Volt Relay. Solenoids are an immensely useful way to turn electrical energy into a linear motion. Solenoids come in a variety of different specifications with 5 Volt an...
Pan-Tilt Hat with Raspberry Pi - Quick Start Guide
Pimironi Picade Pan-Tilt Hat lets you mount and control a pan-tilt module right on top of your Raspberry Pi palm-sized computer. Setting up a Pan and Tilt system has never been easier with absolutely no soldering required! Pe...
Maintaining a Project with Git
Let's have a very quick look at Git and Github - Git is an enormous topic, so this won't be an exhaustive tutorial but by the end of it we'll have a working knowledge of basic git workflow. I'll be showing this tutorial on a Rasp...
Powerboost your LiPo Batteries
We're going to pick up where the LiPo Battery tutorial left off and look closer at the Adafruit Powerboost modules for charging your LiPos. We talked about the rules of using these batteries and how to make sure you don't set your project a...
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...
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...
If, Elif and Else Keywords in Python
Continuing our Python journey deeper into this dynamo of a programming language we will immerse into the keywords | if |, | elif | and | else |. Imagine all these keywords as the traffic controllers telling the control flow w...
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...
Wi-Fly with Feather Boards
I’ll level with you; the idea of microcontrollers and wireless networks was a little daunting to me initially. How on earth was I going to connect and control it with Wi-Fi?! But when I eventually I waded into the world of networking ...
DC Motor Control with an Arduino
Electronics is fun, so far we have covered off on communicating between devices, making LEDs flash and LCD screen operation. However using electricity to control some form of movement in your project is a fun and interesting aspect to inves...
Pimoroni Blinkt: Setup and first script
Not quite sure how to get started with your Pimoroni Blinkt module? Let's set one up and have a play around! We'll guide you through the installation, open up some examples and try our hand at writing a simple program. You'll need: A Ra...
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...
Raspberry Pi Generations Up To 2020
It is long overdue. Time for a table with all the info comparing every generation and style of Raspberry Pi from the genesis to now! We have come a long way to have our hands on the Raspberry Pi 4 Model B 8 GB so it is time we give you the ...
Arduino Projects with an LCD (Using Sparkfun RedBoard)
Arduino Projects with an LCD (Using Sparkfun RedBoard) Welcome to Project Set 4 in the Sparkfun Inventors Kit Guide! In this tutorial, we will look into using Liquid Crystal Displays (LCD's) to print data. This ability allows us to remotel...
Pycom FiPy Getting Started
Say you want to build a sun-tracking solar panel. You could add a tiny computer, like an Arduino, to control it. That might be all you need. But what if you need to connect to it to control it from somewhere else? Connecting it into your ho...
Fire-EdUp | Add our Own Code
It's time to make our own changes to the Fire-EdUp Platform's code! In this guide we'll modify the behaviour of the platform to create an audible alert under certain conditions. Follow along with the video below, and see the references be...
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 ...
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...
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...
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...
Fire-EdUp | Getting Started Measuring Fire Danger and Fire Behaviour
We're going to get started with the Fire-EdUp Platform and begin calculating Fire Danger Level, and Fire Behaviour Index. To follow along you'll need: A Fire-EdUp Platform A Micro-USB Cable A Computer with Thonny installed. ...
Motor Drivers vs. Motor Controllers
If you’ve ever built a robot with wheels, or any motorised parts really, you’ll have come across the issue of needing to drive it from your microcontroller. Because a standard chip is only able to output a small amount of curren...
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...
Data Logging with the Micro:bit and OpenLog
The Micro:bit by BBC is a great data collection tool, it just needs a little help remembering what it has measured! This tutorial is made for those Micro:bit projects where transmitting your sensor data over radio or Bluetooth to a computer...
Controlling Stepper Motors with the Arduino
Stepper Motors are a bit of a halfway mark between DC Motors and Servo motors, but they find a sweet spot that allows them to be perfect for certain applications. There are still a few main differences to be aware of when it comes to workin...
Natural Disaster Sensor Project for Micro:bit
The Micro:bit is a feature-packed development board that’s perfect for the classroom or the beginner programmer. Each Micro:bit has a built-in radio that can transmit and receive signals sent from other Micro:bits. The radio has a ran...
Getting Started With Relays | Examples with Raspberry Pi Pico
In this guide, we'll learn what a Relay is, why we might use one, how to choose a Relay, and finally how to use one with a Raspberry Pi Pico. To follow along you'll need: A 5V SPDT Relay - I'll be using a 5V Single Channel Relay M...
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 ...
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 ...
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...
Power Supplies for your Project
Ever had the issue where you have dozens of old phone chargers and appliance plug packs piled up in a rats nest of AC-to-DC mayhem? We tend to breeze right past these square, black power supplies, not knowing what's happening under the hood...
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 ...
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 ...
Fix the Built-in Camera - Ultimaker
The built-in remote monitoring camera and the live feed it provides makes for a fantastic tool of the Ultimaker S5 and Ultimaker S3 3D printers. You can now keep tabs on your prints remotely, easing the pain of a long-distance relation...
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...
Getting Started with Saleae: Tips and Tricks
Well hello there, if you’ve been looking at the amazing line-up of Saleae gear and wondered how to get started with it all, then you’ve come to the right place. Today we’re going to take a look at getting your Saleae setup...
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...
4G and GPS HAT For Raspberry Pi - Waveshare SIM7600X
Love your Raspberry Pi but wish it had even more connectivity akin to your mobile phone. Then the Waveshare 4G HAT is the solution for you! HAT simply means Hardware attached On Top. With this installed on your Raspberry Pi Single Board Co...
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...
Rigol DG1022 vs Siglent SDG1025 vs Siglent SDG1032X - Function Generator Shootout
In this article I'll compare three popular Arbitrary function generators. They are all about the same price point and popular among makers. The models up for review are: Rigol DG1022 (data) ...
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...
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...
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 ...
All the Operators in Python! Precedence too
To fully equip ourselves on our Python odyssey we will take a leap into Operators and their Precedence. Python is undoubtedly a Homeric programming language, epic in its possible applications and vast in its potentials. Operators ...
Loops in Python
To better yourself for future programming skylarking let me welcome you to the next step of understanding Python. Loops are among the most basic yet also the most powerful features in programming. Utilised by all modern programming language...
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...
All About Electrical Switches
On and Off. It’s the basis for all electronics, from the most sophisticated computer network to a simple circuit. Electronics is all about using one thing, to control another, input and output, on and off. Even the transistors inside ...
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...
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 ...
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...
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...
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...
Import, From and As Keywords in Python
Greetings on your next step in your Python trip. This guide will focus on the | import |, | from | and | as | keywords. These keywords distinctly focus on ways to introduce new functionality to Python. For stoc...
Getting set up with Node-RED on the Raspberry Pi
What is Node-RED? Node-RED is a tool originally created by IBM for flow-based programming, and has built-in support for the Raspberry Pi and it's GPIO capabilities. It runs on top of Node.js, and can be accessed with just a web browse...
Using NeoPixels with Particle
Life’s better in colour right? Then why are you still using boring old regular LEDs in your project, when you could be using addressable RGB LEDs. Now LEDS that have Red, Green, and Blue integrated in a single package are nothing new,...
All About EL Products
Electroluminescent wire, often referred to as EL wire, is a thin copper wire coated in phosphor which will produce light when alternating current is applied to it. The light emits a similar feel as if it were a neon light or ...
Cura 2: LulzBot Edition - An Overview for Beginners
Now that we are all on track with our Slicer software, having just installed Cura 2 and upgraded our printer firmware, let's work on turning some 3D Model files into G-Code for our 3D Printer to create. We're going to be using our LulzBot M...
Programming with USB-Serial Converters
Thanks to huge advancements in technology over the last decade, the maker community that we know and love has thrived. It’s now easier than ever before to get started with programming and tinkering due to the innovation from brands su...
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...
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...
Makerverse Real Time Clock with Supercapacitor Backup - Raspberry Pi Pico Guide
Introduction This guide covers the basic use of the Makerverse Supercap Real Time clock on the Raspberry Pi Pico using our RV3028 MicroPython module. The MicroPython module implements some commonly used features of the RV3028 RTC but is no...
E-Textiles / Wearables Compared: LilyPad vs GEMMA vs Microbit
Every good E-Textiles or Wearables project needs to start somewhere, and the natural starting point for any project is choosing the right microcontroller. There are many good choices out there, and we will compare a few of the best and brig...
Flask Web App Framework with Python
There has been uncovered a new worthwhile step on the Python Journey thanks to the help of my co-worker and forum superstar Owen. That step is the Flask Web App Framework for Python. This framework is going to allow you to do thin...
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...
Detect Speed with a Raspberry Pi, Camera 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 your Mi...
Getting Started with Arduino Using the Sparkfun RedBoard
Welcome to the Sparkfun Inventors Kit (SIK) Ver 4.0 tutorial page. In this beginner’s tutorial, we will explore the basics of microcontroller programming and circuit electronics through a series of projects that are provided in the&nb...
Getting Started Guide for Laser Cutting
Welcome to the exciting world of laser cutting! For all those makers out there looking to start creating with a laser cutter, this tutorial will have the basic information you need to get started! We recently added a Laser Cutting Service t...
USB Keyboard-Mouse with Teensy
Hey all! By now you should have heard about all the wonderful Teensy Boards produced by Paul Stoffregen and the PJRC team but, in case you haven't, they're a collection of high-speed, ARM-based microcontrollers that...
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 ...
Basics: Getting Started with the Terminal on Raspberry Pi
In this tutorial we’ll be getting familiar with basic use of the Raspberry Pi terminal. We’ll cover navigating the file-system, making directories, writing and editing text files, and just touch on the use of wildcards. To get ...
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...
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 ...
Cura 2: Lulzbot Edition for Intermediate Users
After some serious touch time your LulzBot 3D Printer and the quick print options in Cura 2, it's more than likely that you want to make more specific changes to the way 3D Models are printed. Whether it be, changing the support type and st...
Our tips for using LiPo Batteries
Lithium Polymer (abbreviated LiPo) batteries are one of the most useful cells we see used in electronics. Typically used in mobile phones, RC models, and other small electrical appliances; their flat, pouch-like package design makes them pe...
Using your Arbitrary Waveform Generator
By now you are aware that when it comes to measuring electronic signals, oscilloscopes are what you are going to be using. However, if you were providing a circuit with a particular signal, a function generator is the perfect tool for tha...
Character Displays with Particle
Crunching numbers is fine, but sometimes you really need to visualise what’s going on in the tiny brain of your Photon. There are numerous different ways to visualise data or text on a microcontroller from binary LEDs, to HDMI display...
Solar Powered Raspberry Pi 4 Model B
This is going to be easier than you thought (or at least much easier than I thought)! Today we will create a Raspberry Pi 4 Model B UPS PiJuice System that will be completely powered by a Solar Panel. It's coming up to winter over here so I...
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...
What is a Logic Analyser
If you’ve ever come across the term ‘logic analyser’ and not been sure exactly what is was, you’re in the right place. Logic analysers are one of the less common pieces of test and measuring equipment, but they&rsquo...
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 ...
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...
Makerverse Essentials Kit Guide | Build Circuits and Code with MicroPython
IntroductionWelcome to the guide for the Makerverse Essentials Kit. This kit provides the fundamental hardware required to construct many of the kits in the Makerverse Kits range along with providing hardware which will continue to be usef...
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 a Safe Shutdown Button for Raspberry Pi
Pulling the power to your Raspberry Pi can cause image corruptions & other issues that can damage your Pi! In this article, we will create a small push button that will work as a ‘Safe-Shutdown’ option. We’ll connect i...
How to get started with Circuit Playground
Have you heard about the Circuit Playground? It's the new all-in-one electronics platform from Adafruit. It was created to bring all the fun features of electronics and physical computing to makers, but It's dead-simple to use, solde...
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...
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...
GUI with Tkinter in Python
Welcome to the next step on this Python voyage. Today we will be creating graphical user interfaces using the powerful Tkinter library. Graphical user interfaces are referred to as GUI and can be pronounced as Gooey. GUI is a visual way of ...
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...
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 ...
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...
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...
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...
Raspberry Pi High Quality Camera – First Pictures and Videos
[Note - Terminal Commands talked about here have been superseded with the new 'Bullseye' Raspberry Pi OS. Link here for new 'Bullseye' camera commands. If you want to use the commands found on this page download and flash the old 'Bu...
LCD Screens and the Arduino Uno
Display devices are used to visually display the information we are working with. LCD (Liquid Crystal Display) screens are one of many display devices that makers use. We have libraries to control specific LCD functions which make it ridicu...
How to Use Speakers and Amplifiers with Your Project
A popular question that we get all the time is ‘How do I choose a speaker or amplifier to go with my project?’. It’s a good question, and if you’re not familiar with the terminology, it can seem a bit daunting to kno...
MicroPython for Micro:bit Workshop
Welcome to the MicroPython for micro:bit workshop! This workshop is aimed at makers who want to start programming with MicroPython, we will be using the micro:bit as it is very easy to use so we can cover the important concepts that will ap...
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...
Graphic OLED Displays with Particle
Note that the digital artifacts on the screenare from the camera used to capture and not the screen itself How many great artworks or photos have you seen that consist of just lines of characters; words and numbers? Very few. It’s ...
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...
How to Build Internet-Connected Electronics Projects
What do we mean when we talk about the "Internet of Things"? Mostly we're talking about tiny computers that have access to the internet and do some useful work. Unlike the computers we're used to holding in our hands, they don't have a touc...
Raspberry Pi and the IQaudio DAC+ | Volumio and Raspberry Pi OS | Hi-Fi on a Ras-Pi
Flawless high-quality audio output on a Raspberry Pi Single Board Computer! All is achieved by the IQaudio DAC+ HAT. This dedicated DAC lets you enjoy high-quality, distortion-free, artifact-free, low noise, and high-bitrate audio playback...
How to use a NFC Reader with Raspberry Pi
Near Field Communication (NFC) is used all and everywhere. As it stands there are over two billion NFC-enabled devices (many of them smartphones) in use today. This basically means over 20% of the world’s population has access t...
Setting up and Using the Adafruit 16-Channel Servo HAT for Raspberry Pi
This guide will teach you how to control up to 992 5V Servos through the GPIO pins on your Raspberry Pi! But more practically, without stacking multiple HATS (Hardware Attached on Top), this guide will teach exactly how to control sixt...
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 ...
Pycom Pysense Getting Started Guide
The Pysense expansion board from Pycom has many sensors. In Pycom Pytrack Getting Started, I showed how with some Processing code we can see the real-time position of the board in 3D. That project works with the Pysense too. How about we sh...
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...
Micro:bit Light and UV Sensing
Every Micro:bit has the ability to measure visible light, but what about UV light? Imagine that you are growing a plant on the window sill in a well-lit room. Does your plant have enough light? Plants need UV light to photosynthesize e...
Cool API Python Scripts
Let us set our codes free into the world wide web and design codes which access real world data! This real-world data will represent the current reality of the world around us. Application Programming Interface requests is the method that a...
Face 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 your Mi...
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...
Pose Estimation and Face Landmark Tracking 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...
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 ...
Hand Recognition and Finger Identification 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 y...
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...
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 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...
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 ...
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 ...
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...
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...
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...
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 ...
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, ...
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...
IoT Chicken Shed (Arduino, Wifi)
If you have chickens and find you're not always available to close the gate at night or check the water levels each day, then why not use an ESP8266 to automate your chicken door and receive alerts door status and low water level, as well a...
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...
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...
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, ...
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...
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...
Rooberry Pi
In the area I live, there are often kangaroos that jump in front of traffic, often from blind spots, and can get themselves into harm's way. I wanted to build a low-cost solution that can alert drivers to kangaroos in these blind spots to r...
VolCon
This project began as an experiment when I inexplicably decided to learn how an optical rotary encoder worked (FYI, 2-bit gray code). It transformed into a learning experience around USB - specifically the HID protocol. Ultimately I ended u...
DIY Weather Station with Raspberry Pi
I wanted to build a weather station. After some googling I found a great ‘how to’ guide using a raspberry pi.
I was also interested in learning Python, so I decided to dive right in...
I wanted to build a weather station. After some googling I found a great ‘how to’ guide using a raspberry pi.
I was also interested in learning Python, so I decided to dive right in...
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...
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...
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...
433mHz Radio connected pool thermometer
I was wanting to know what the water temperature was without having to physically go and check and I was curious about how warm the water would get during a sunny day and how much heat was lost overnight. I am interested in the idea of home...
Bill of Materials
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...
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...
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...
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...
grinder_timer
Making a dumb coffee grinder slightly less dumb. This is a programmable timer tethered to a Rancilio Rocky coffee grinder. The Rocky is a "dumb" grinder and electrically very simple. Basically it's an ac motor with an on/off switch and a m...
IoT House
These days we can do just about anything on our phone, we can control so many aspects of our lives using the technology in our pocket, but the most mundane aspects of our lives; opening the garage door, blindly reaching for the light switch...
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.
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 ...
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...
Coffee Grinder With Arduino
Using a few bits and pieces, this ordinary coffee grinder now has two presets to run the motor for a programmable length of time. The idea being that the grinder running for a set amount of time will deliver a certain amount of coffee each ...
Epoch Clock
I read somewhere about UNIX Epoch time and thought wouldn't it be neat to have a clock that showed time in this format? This project developed from that idea. I had a unused GPS module with serial output so I thought it would also be cool ...
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...
IoT Pet Feeder
The objective of this project was to create an Internet of Things (IoT) device that could give pet access to a food bowl when a text message command was sent from a remote location. I had never done an IoT project before, so I wanted to ke...
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...
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...
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...
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...
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...
Datalogging Weather Station (Battery Powered)
This project will measure atmospheric conditions (Temperature, Humidity, Air Pressure) and log them to an SD card over a long period (months!) while running off a few AA or AAA cells. Usually, projects powered by an Arduino Uno are quite p...
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...
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...
8-Bit Breadboard Computer
This project is about how to build an 8 bit computer on breadboards, from 7400 series basic TTL. I am currently in the process of building mine, and will give an overview of what's involved. It is a great project that can teach you a lot ab...
Micro:bit based GlowBit Car
I made this car because at school there was a Lego We-Do tug-of-war competition but the cars only drove backward and I wanted to make a car that can turn and drive forwards. If you make this car don't throw away the chassis box because I ...
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...
Infinity-Mirror Table
An infinity mirror creates a striking optical illusion - a tunnel of light that seems to tear through space. I built this infinity-mirror table using some addressable LEDs, a Particle Photon and easily obtainable timber supplies. Check out...
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...
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 ...
Hot-Wire Bender for Acrylic
A simple, and affordable build that produces sharp, and consistent heat-bends. A nichrome wire heats a channel. Place the acrylic over the channel, wait for it to reach temperature, and pull the hingeing section to create a bend.
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Fridge Door Alarm
This project uses an ESP8266-01 WiFi module to send an alert to my phone if the fridge door is left open or ajar.
After ordering a few of the ESP8266 board variations I found myself with an ESP8266-01 variant which wasn't very usefu...
After ordering a few of the ESP8266 board variations I found myself with an ESP8266-01 variant which wasn't very usefu...
Tweeting Pi-Zero-W GIF Camera
I made a Raspberry Pi camera that captures GIF files and optionally tweets them over WiFi! It's built around a Raspberry Pi Zero W and a Pi Camera module. The camera connects to a pre-programmed WiFi network to tweet the gifs, but...
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...
Articulated Mule
Converting a Mule into an articulated 4 wheel vehicle. A 'Mule' is/was a hand trolley with a motorised elevatable platform. What for? Just for fun, want to be able to control it using the R2D2 droid inventor app via LittleBits boards, why ...
Raspberry Pi Rain Radar and Weather Display
[Update – Until there is correct compatibility of NPM with the new Raspberry Pi ‘Bullseye’ OS I highly recommend at this stage flashing and using the previous Raspberry Pi ‘Buster’ OS onto your Micro-...
RPi Cluster - SETI@Home
I was interested in creating a RPi Cluster to learn about how they work. After getting the clusterhat and Pi Zero Ws I set about creating the images for 5 sd cards. This seemed a waste so I scrapped that idea and setup the image for one sd ...
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...
The Great Doorbell Hack
Do you want a quick, easy, cheap RF remote control for your Raspberry Pi projects? Well, look no further than the front door! As you've probably got a half-duplex RF setup you've never considered using in a project before. Try this simple h...
Playing Synthesizers with a Teensy Controlled Game on a LaunchPad
I am an amateur musician, coder, and electronics maker. When I found out that the Novation Launchpad (mine is a mini MK3) can be programmed, I was excited about creating unique music. The idea is to use the Launchpad to play a game and use ...
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...
A Back to the Future Clock
This project started life as an alarm clock for my son made to look like the time circuit from the Back to the Future movies. The display can show the time in various formats, including the one from the movies of course. It's configurable v...
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...
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...
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...
SOLARBOI
Since I was young, I've always loved to explore. Over the years, I've tinkered with RC cars and played with planes, which were always plenty of fun. But I always dreamed of going out further - out into the real world, far beyond the confine...
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...
Desktop Infinity Mirror (Lasercut!)
A smaller version of our amazing Infinity-Mirror Table - the Desktop Infinity Mirror compresses all the colourful goodness into a picture frame-sized display. The entire design is made from laser-cut acrylic that we cut in-house. Check out ...
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...
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...
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 ...
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 ...
Accurate IoT Clock With ESP8266
Being punctual is important. Hence accurate time is required. Clocks tend to miss out when it comes to accuracy especially when they are set by the user. So, why not get accurate time from the internet and use tried and tested hardware to ...
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 ...
Nintendo Wii Portable | Project G-Wii
Do you love your Wii and its ability to play all GameCube games perfectly but wish you could take it on the go like a Gameboy?
Well, I definitely did and if you're like me so do you. And here is the right place...
Do you love your Wii and its ability to play all GameCube games perfectly but wish you could take it on the go like a Gameboy?
Well, I definitely did and if you're like me so do you. And here is the right place...
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