Search results for: 'Analog panel meter - 50uA'
- Analog Panel Meter - 0 to 5 VDCSKU: TOL-10285 Brand: SparkfunThis analog panel meter measures DC voltage from 0-5 volts with 2.5% accuracy. It has a clear and easy to read scale and an adjustable dial. These come in handy for measuring the output of sensors with 5V ranges.
- Small -15 to +15V DC Analog Panel MeterSKU: ADA4403 Brand: AdafruitAnalog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly. This Small...
- Small -1 Amp to +1 Amp DC Current Analog Panel MeterSKU: ADA4404 Brand: AdafruitAnalog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly. This Small...
- Panel Volt Meter - 4.5V to 30VDCSKU: ADA575 Brand: AdafruitPut a voltage meter anywhere with this very handy display. This panel meter simply connects to whatever DC supply you are trying to track, easy to wire up! Simply...
- Side-Light Flexible Analog RGB LED Strip - 630 LEDs per meter - 1 MeterSKU: ADA5687 Brand: AdafruitHere at Adafruit, we love discovering new and exotic glowing things. Like moths to the flame, we were intrigued by this 'chip on board'...
- Gravity: Analog Sound Level MeterSKU: SEN0232 Brand: DFRobotThis is an Arduino compatible sound level meter(also known as decibel meter, noise meter). It uses instrument circuit, low noise microphone, which make it accurately...$68.30 AUD, inc GSTAs low as $64.88 AUD, inc GST
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- Inline DC Panel Meter KitSKU: SPX-18571 Brand: SparkfunThe Inline DC Panel Meter Kit has all the bits you need to create an elegant, seamless DC volt/ameter. Measuring current usually means interrupting the VCC...$35.06 AUD, inc GSTAs low as $34.53 AUD, inc GST
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- Panel Temperature Meter / -30 to +70 °CSKU: ADA576 Brand: AdafruitPut a temperature meter anywhere with this very handy display. This panel meter displays the temperature of the attached waterproof 1% thermistor in °C. It does...
- Gravity: Analog Electrical Conductivity Sensor /Meter V2 (K=1)SKU: DFR0300 Brand: DFRobotDFRobot Gravity: analog electrical conductivity meter V2 is specially used to measure the electrical conductivity of aqueous solution, and then to evaluate the water quality, which is often used in water culture, aquaculture, environmental water detection and other fields. You may also check Liquid Sensor Selection Guide to get better familar with our liquid sensor series.
- Gravity: Analog pH Sensor / Meter Pro Kit V2SKU: SEN0169-V2 Brand: DFRobotDFRobot Gravity: Analog pH meter pro V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in...
- Gravity: Analog Dissolved Oxygen Sensor / Meter Kit For ArduinoSKU: SEN0237-A Brand: DFRobotThis is a dissolved oxygen sensor kit, which is compatible with Arduino...
- 10k Slide Potentiometer - (Long Shaft)SKU: CE09106 Brand: Core Electronics
A 10k Potentiometer perfect for adding and visualising an input to your projects
- Mini Analog Joystick - 10K PotentiometersSKU: ADA3102 Brand: AdafruitSometimes a simple analog control device can be the perfect tactile solution for your project, but they can be surprisingly hard to come by. Luckily Adafruit have found...
- URM06 - Analog UltrasonicSKU: SEN0152 Brand: DFRobotUltrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. They are widely used in detecting displacement, thickness, distance, water level, material level and transparent objects.
- Gravity: Analog Spear Tip pH Sensor / Meter Kit (for Soil and Food Applications)SKU: SEN0249 Brand: DFRobotThis spear tip pH sensor/meter kit can directly stab into semisolid material to measure the pH value. It can be used to measure pH value of wet soil and various...
- EL Panel - GreenSKU: CE06464 Brand: Core ElectronicsThese panels are EL (Electroluminescence) which emits a soft glow when powered! This flexible sheet can be used for backlighting or signage much like EL wire.
- EL Panel - RedSKU: CE06463 Brand: Core ElectronicsThese panels are EL (Electroluminescence) which emits a soft glow when powered! This flexible sheet can be used for backlighting or signage much like EL wire.
- EL Panel - PinkSKU: CE06584 Brand: Core ElectronicsThese panels are EL (Electroluminescence) which emits a soft glow when powered! This flexible sheet can be used for backlighting or signage much like EL wire.Special Price $17.30 AUD, inc GSTRegular Price $20.35 AUD, inc GSTDelivered by Apr 30th
- EL Panel - WhiteSKU: CE06585 Brand: Core ElectronicsThese panels are EL (Electroluminescence) which emits a soft glow when powered! This flexible sheet can be used for backlighting or signage much like EL wire.
- Analog to Digital Converter - MCP3002SKU: COM-08636 Brand: SparkfunThe MCP3002 has a 10-bit analog to digital converter (ADC) with a simple to use SPI interface. Use this IC if your microcontroller does not have an ADC or have enough ADC lines. A great chip when you need to add additional ADC lines.
- TMP36 - Analog Temperature sensor - TMP36SKU: ADA165 Brand: AdafruitWide range, low power temperature sensor outputs an analog voltage that is proportional to the ambient temperature. To use, connect pin 1 (left) to power (between...
- ADXL377 - High-G Triple-Axis Accelerometer (+-200g Analog Out)SKU: ADA1413 Brand: AdafruitHey rocket man (burnin' out your fuse out there alone) ever wonder how fast you're rocketing? The ADXL377 +-200g 3-axis accelerometer may be able to tell the answer...$50.85 AUD, inc GSTAs low as $47.29 AUD, inc GST
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- Solar Panel Charger - 10WSKU: PRT-16835 Brand: SparkfunHave a project that needs some good power? Do you like free power provided by our friend, Mr. Sun? This solar panel charger is a lightweight, ultra thin (2mm), and...
- PiJuice - Solar Panel - 6 WattThe PiJuice 6 Watt Solar panel is the ideal way to charge and/or power your PiJuice HAT and Raspberry Pi...
- PiJuice - Solar Panel - 22 WattThe PiJuice 22 Watt Solar panel is the ideal way to charge and/or power your PiJuice HAT and Raspberry Pi...$254.95 AUD, inc GSTAs low as $242.20 AUD, inc GST
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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...
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...
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...
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...
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...
Sound Reactive Lights using MakeCode: 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 MakeCode to turn the lights on the board into a ...
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...
Using Copper Tape with Paper Circuits
What is a Paper Circuit? STEM technology has evolved into all kinds of fantastic forms with many brands bringing craft and electronics together in new and innovative ways. There’s plenty of products which make use of ‘paper cir...
Pycom SiPy Overview
If there’s an odd one in the Pycom family of microprocessor boards it’s this one, the SiPy. There’s nothing wrong with it, it’s just that its sister board the LoPy4 has the same capabilities as SiPy, plus a LoRa ...
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...
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 ...
Rigol's PC software: Ultra-Sigma and beyond
The ability to connect your test equipment to a local PC is invaluable. It allows monitoring and the use of your equipment via a PC interface. That includes coveted mouse/keyboard control! This control centre capability is essential when yo...
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...
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 ...
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...
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...
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...
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...
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...
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 Conserve Battery Life with IoT Projects
If you’ve ever created a project that uses batteries, you’ll be well aware how hard it can be to decide on elements in the project which can affect the battery life. You end up ‘umming’ and ‘ahhing’ for a...
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...
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...
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...
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...
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...
Our 8Bitdo SF30 Pro Controller Overview
The 8Bitdo SF30 Pro was launched at the end of 2017 by 8Bitdo in an effort to create the ultimate, ‘portable’ gaming controller. Having become known for their faithful recreations of vintage gaming controllers, the SF30 Pro is a...
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...
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...
How to network XBee and the Arduino
Want to setup a wireless XBee network between some Arduinos and your PC? We're going to show you how. We will be using Series 1 XBee modules alongside some XBee Explorer USB modules from Sparkfun to set up our own Personal Area Network (PAN...
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...
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...
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...
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...
PiicoDev Atmospheric Sensor BME280 - Raspberry Pi Pico Guide
Introduction This guide will help you read atmospheric data from your PiicoDev® Atmospheric Sensor and a Raspberry Pi Pico To follow along, it's best to have: A Raspberry Pi Pico with pins soldered (pointing do...
MOVE Mini Assembly Guide
The :MOVE MINI allows you to turn your micro:bit into a simple robot! In this guide, we will give you some tips and tricks for assembling the :MOVE mini. This is a DIY assembly item and takes 30-60 minutes to fully assemble. There is a grea...
8Bitdo NES30 Pro Controller Review
Today, we’re looking at the 8Bitdo NES30 Pro. It’s a newer controller from 8Bitdo and one that I’m really excited about. It’s an interesting gamepad, with the styling and form factor taking cues from both the classic...
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...
What is a Kano Computer?
How many young people are able to assemble a computer, from scratch? Sure, adults can do it. There are even IT professionals and avid PC enthusiasts that take it to the next level; customizing everything down to the color of the Power LED a...
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...
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...
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...
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 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...
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...
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...
Infrared (IR) Controlled Lights with MakeCode: 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 ...
Slim Case for the Raspberry Pi Zero Assembly
The Slim Case for the Raspberry Pi Zero, Zero W and Zero WHÂ 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 de...
Working with the Particle IDE
In case you haven’t heard, the Internet of Things (IoT) is upon us. More and more devices everyday are being connected to the internet to communicate to people and other devices. Particle have seen the DIY/maker community’s desi...
Internet of Things with Pycom and Adafruit IO - From Zero to Hero
Introduction We’re going from zero to hero. Starting from nothing we’ll get a WiPy communicating with Adafruit IO, an IoT service out on the Internet. We’ll be able to send data from the device to the cloud and control th...
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...
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...
Which Raspberry Pi Case is Best For You?
What’s even better than the world’s most popular microcomputer sitting on your desk? When it’s sitting there in a case which protects it, makes it easier to use, and gives your desk some style. If you buy a Raspberry Pi i...
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...
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...
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 ...
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...
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...
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 ...
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...
GlowBit Stick 1x8 - Python and MicroPython Guide
Introduction This guide will cover the basic functionality of the GlowBit Python library when driving a GlowBit Stick 1x8 module. To follow along, it's best to have: A GlowBit Stick 1x8 A Raspberry Pi Pico or...
Capacitive Touch Keyboard with MakeCode: Adafruit Circuit Playground Express
On the lower left-hand portion of every Adafruit Circuit Playground Express, there is a small onboard speaker and class D amplifier. This allows you to make some pretty loud sounds! The amplifier is also connected to the true analog output ...
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. Â Contents: Overclocking Questions Cooling Quest...
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...
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...
Capacitive Touch Keyboard with CircuitPython: Adafruit Circuit Playground Express
On the lower left-hand portion of every Adafruit Circuit Playground Express, there is a small onboard speaker and class D amplifier. This allows you to make some pretty loud sounds! The amplifier is also connected to the true analog output ...
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...
Pycom Pytrack Getting Started
In this getting started guide we’ll use the Pytrack from Pycom to detect our location on Earth using the onboard GPS module and use the accelerometer to control a 3D model on the PC. I put a WiPy onto my Pytrack, connected it to ...
Adding to Your EAGLE Component Library
So you’ve got Eagle installed and you’re itching to get creating? If not and you’re wondering what’s going on, check out our Drawing Schematics With Eagle tutorial, otherwise this won’t make much sense. EAGLE ...
Weather Station with Arduino Tutorial
This Weather Station with Arduino was designed for the South Australia Catholic Education STEM Weather Station Challenge. We were lucky enough to be asked to build one of the basic kits provided to schools across South Australia for entry i...
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...
USB MIDI With Teensy
If you’re a musician or have had anything to do with the entertainment industry, you may have heard of the term MIDI before. MIDI stands for Musical Instrument Digital Interface and was created in the mid-80’s as a way to standa...
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 ...
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...
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...
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 | Create a Simple HTTP Server
In this guide we'll create a simple HTTP server using a Raspberry Pi Pico W. This server will be accessible from within a local WiFi network and can be used to read sensors and control hardware - in our case we'll drive an LED and read the...
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...
Linux In Windows
The Windows Subsystem for Linux (WSL) is a powerful new feature that lets you run a Linux terminal from within windows. You may wonder why you would want this, but it actually is great for developers. A lot of Web and open source toolchains...
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 ...
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...
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 ...
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 ...
Digital Signage with the Raspberry Pi
A big project request for the Raspberry Pi is the ability to make a digital sign, that loops images/videos/other media fullscreen with no interactivity. This can be a great way to display dashboards, promotional videos and other media. For ...
Pi To All The World With GPIO
So you’ve got your Raspberry Pi. You’ve gotten NOOBS setup on it, explored Raspbian a bit, and you’re feeling like a bit of a pro. Awesome! Now let’s get down to the nitty gritty side of things, what it’s ...
Infinity Mirror Kit V1 - Assembly and tutorials
The Infinity Mirror Kit is a desk-top display that creates a dazzling optical illusion - a tunnel of light that tears through space! Note: This tutorial is for the Infinity Kit V1. We updated have updated to the Infinity Kit V2 as of ...
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 ...
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...
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...
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...
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...
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...
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 ...
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...
PiicoDev RFID Module - Guide for micro:bit
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...
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...
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...
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...
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 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 ...
Circuit Playground Express Workshop for Educators and Beginners
Welcome to the Circuit Playground Express Workshop! This workshop is geared toward educators and coding beginners, who want to get started programming with this easy to use platform. We will go over everything you need to know to get you st...
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 '...
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 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,...
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...
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...
RaspController - Use Your Phone to Control Your Raspberry Pi
There are many different ways to use your mobile phone to remotely control and manage any Raspberry Pi and one of the best options out there to date is the phone application RaspController (you can also find it for free in the Google P...
Using the Accelerometer with MakeCode: 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 Ma...
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...
Arduino vs. Raspberry Pi
One of the big questions in DIY electronics circles is which DIY platform is going to be the best for me? And the two biggest platforms right now is Arduino and Raspberry Pi. Whilst at first glance they might seem the same; circuit board ...
MicroPython Board Comparison
Welcome to the benchmarking arena! We are going to put eleven microcontrollers to the test and see how they hold up against a set of fiendish tasks that we devised to push them beyond their limits. We chose most of our candidates based on t...
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 ...
Effective Ways To Detect People Using Common Sensors
In this guide, we'll look at common methods of detecting people and some of the different sensors you can use to detect people in your next project.Sensors covered in this guide: PIR Sensor RCWL-0516 Microwave Radar SEN0395 mmWave Rad...
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...
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 ...
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 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...
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...
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...
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...
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...
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...
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...
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...
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...
Introduction to Bluetooth
Nowadays, everything is going wireless. Phones, computers, game controllers, consoles, everything! Wireless technology has allowed us to use electronic devices with an untethered freedom which just isn’t possible with clunky cables ...
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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 ...
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 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...
Disable Features to Save Energy Using Raspberry Pi
Raspberry Pi Boards are a great gateway for learning about how to get to grips with computers, at a price that makes it hugely accessible and a size that fits right in your hand. Raspberry Pi boards are chock a block full of features 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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
Pycom GPy Getting Started
warning:Â 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. ...
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...
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...
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: ...
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...
PiicoDev Button | Getting Started Guide
Buttons are a ubiquitous user interface - of course, you've seen them everywhere! The humble button is often the fastest way to create a control interface for your project too. This guide will help you get started with a PiicoDev® Butt...
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...
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...
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...
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...
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...
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...
Bill of Materials
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 ...
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, ...
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...
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...
PowerPlay SSR Control
Introduction
The aim of PowerPlay is to provide an Arduino platform for managing downstream Solid State Relays (SSR) simply and safely. Â PowerPlay consists of a custom Arduino Shield, ...
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...
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...
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...
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...
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...
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 ...
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...
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...
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...
Water Tank Level Sensor
Update: Community member Chris has had a go at remaking this project after the original project contributor Denver made the original code repository private. GitHub links below will not work but the original project has been kept here for...
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 ...
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 ...
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...
LoRaWAN Tank Level Sensor Node
My brother-in-law has a dairy farm in Victoria and many hours per week are wasted traversing the farm to check water tank levels, opening/closing valves, and other small tasks that could easily be remotely monitored and controlled. It was ...
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...
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...
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...
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...
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 ...
FM Radio with Arduino, LCD and Si4703
A couple of years ago, I found a modern jukebox (with iPod connectivity, AM/FM radio, CD player and LEDs) dumped in my street. The body was in decent condition but all of the electronics were ruined apart from the LEDs. I decided to take it...
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...
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 ...
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...
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...
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...
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.
Lightbox
The idea was to leverage the light transmitting properties of clear acrylic sheeting and pass LED light through it; interfering the transmission using laser cut edges which would cause the light to highlight the lines thereby creating a pai...
Keypad entry to caravan using Arduino
I used to sleep in a caravan on my grandparent's property and as amenities were inside the house I had to go in and out of it quite regularly. I got sick of fumbling around with keys to go in and out of my caravan, so this project uses an A...
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 ...
12V Portable Battery Box
This project creates a functional 12-volt portable battery case for camping or other outdoor activities.The battery box provides a 12V cigarette lighter socket for running lights with an on/off switch for ease of use. There is also an Ander...
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...
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...
Hyperweb: Interactive Art for Vivid Sydney
Hyperweb is a collaborative interactive sculpture installation at Vivid in Sydney. I designed and built a crowd sensing weather station that is used to control an audio "soundscape" within the piece. It also triggers light show events that ...
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...
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...
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...
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...
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...
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...
MakeCode STEM Arcade Machine
This project came about for a number of reasons. Firstly, we wanted a real showpiece for the school's Resource Centre. It's a real talking point and when people find out that it was made almost enti...
This project came about for a number of reasons. Firstly, we wanted a real showpiece for the school's Resource Centre. It's a real talking point and when people find out that it was made almost enti...
Rain Gauge Data Logger
Summary A Raspberry Pi 3B is used to collect digital counts from an electronic rain gauge (1mm of rain per reed switch closure by magnetic see-saw). It has been running without issues for over 12 months. A UPS powers the Pi so it is immune...
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...
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...
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: Â WIFI connectivity, a decent amount of GPIO, a deep-sleep mode for batter...
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 ...
Spirit In A Box Halloween Trick
Introduction
This project was born from the desire to craft a captivating and spine-tingling magic trick that would add an air of mystique to a Halloween and supernatural-themed party that ...
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...
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...
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...
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'! ...
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...
Salvaged Street Light Conversion
Introduction
I salvaged some decommissioned street lights from the local transfer station. Â I suspect they adorned the main street of Woodend in the past and would now look good in our...
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...
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...
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...
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...
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 ...
mmPi-Pico HAT
I use a Raspberry Pi running EmonCms for collecting sensor data and controlling devices around the home but several things have been on my To-Do list to enhance its functionality. A Shutdown/Power Down/Startup circuit. Proportional fan...
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 ...
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 ...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...
Roverling Mk.â… â…
Introduction
A few months back I created a basic mobile platform using parts from an old 3D printer. Â It was fun but not very practical. I designed Roverling Mark II so I could experi...
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