Christian Cawley

Christian Cawley spends a lot of time with Raspberry Pis and scours the web looking for interesting DIY electronics projects and news for ElectroMaker. He's currently trying to show his 7 year old son how to get to grips with Scratch, but so far to no avail.

Astonishing Airport-Style Arduino Weather Board

What’s the weather doing? Rather than check your phone’s native weather app, or heading to weather.com on your computer, why not build a dedicated weather display?

Raspberry Pi and Android Things Cross Pollinate & Create the Expression Flower

Resembling something from a 1960s episode of Star Trek, the Expression Flower is a remarkable, responsive creation that reacts to your facial expression with movement, and color.

Get Started with IoT Electronics with obniz!

Struggling to get to grips with Internet of Things projects? Finding Arduino and Raspberry Pi too unfocused? The answer is surely a dedicated SBC that is designed purely for IoT applications.

Your Raspberry Pi Finds Waldo Faster Than You!

Whether you know the stripey attired goon as ‘Waldo’ or ‘Wally’, it’s hard to imagine a childhood that didn’t involve at least one attempt to find his Harold Lloyd glasses peering out at you on a double spread of amusing incidents.

Raspberry Pi Zero Night Vision Goggles

Want to see what’s going on late at night, but don’t want to turn on a light, or use a torch? As you probably don’t have the budget for special forces hardware, the best solution is a camera with the infrared filter removed.

Arduino-powered Edison Bulb clock

One of the most popular types of DIY build are those in the steampunk style, where archaic technology is given a modern-day refresh, or modern ideas are styled in the trappings of 19th and early 20th century materials.

Remotely Switch on Your PC with a Raspberry Pi

Ever wanted to switch on your PC from a remote location? Perhaps as a precursor to connecting to it via RDP? Without making a phone call first to request a friend or colleague boots up the machine, this is pretty much impossible ... until you factor in a low-power, always-on Raspberry Pi...

Making a Digital Door Lock Smart with a Raspberry Pi

How can you make a door lock smart? While a standard lock can be made smart by adding a servo (several systems can be purchased that help you do this) digital keypad locks can also be enhanced.

Build to the Beat with a Compact Teensy Drum Machine

The old joke goes something like this: “What’s the difference between a drummer and a drum machine? You only have to punch the information into the drum machine once.”

Servo Controlled Eyeball for Pi Camera 2

Looking for a great new way to use your Raspberry Pi Camera Module? Using the v2 camera module, this project relies on a Raspberry Pi 3, with the Pololu Maestro six channel servo controller board connected to the GPIO. The servos are Tower Pro SG90s.

TinyPi Pro: The Smallest Gaming Machine Yet!

Compact retro gaming solutions based on the Raspberry Pi Zero are popular, but TinyPi was the only one to attempt to retain the dimensions of the base device. But now, things have been enhanced ... prepare yourself for the TinyPi Pro!

MY House Gesture Controlled Smart Doll's House

Featuring gesture-controlled interactive features, the MY House smart doll’s house is a fascinating project that could inspire you to include similar features in your own smart home build. And at the heart of it, you’ll find a Raspberry Pi 3...

Pimp Your Projects with a HyperPixel 4.0 - Hi-Res Display for Raspberry Pi

Looking for a sharp, colorful, and crisp display for your Raspberry Pi projects? Whether you’re building a handheld retro gaming system, a portable Kodi media device, or something altogether different, if a display is required, then the HyperPixel 4.0 from Pimoroni could be ideal.

Launch your own Cultural Probe with an Arduino-powered TaskCam

DIY cameras are all the rage thanks to the existence of compact and affordable SBCs, but few have a real purpose behind them, beyond proof of concept. So what makes this Arduino Uno-powered camera any different?

Arduino-powered Active-tracking Solar Panel

Solar panels are more common these days, whether arranged in fields as collection arrays, on the roof of homes, or as part of your camping or festival gear to keep mobile devices topped up.

Retro-Styled GTA Radio Powered by Raspberry Pi

A video gaming behemoth that has relied on controversy since its early days, the Grand Theft Auto series nevertheless has more to it than ‘steal cars and shoot’.

Don’t Get Caught Out By Rain with this Arduino-Powered, Water Detecting Umbrella!

We’ve all been there. You’re out and about, on a sunny day, when all of a sudden the clouds gather and it starts to rain. It’s not a light shower, either, but that apocalyptic type of rain storm that looks like all the rain in the world is going to fall before it stops.

Create a Low Budget Smart Trash Can with Arduino

Smart trash cans were all the rage a couple of years ago. The idea is simple; a sensor detects movement or the presence of trash and triggers a servo to open the lid of the trash can.