That said, it’s pretty easy to build using an Arduino, a GSM shield, a GPS system, and a handful of other components. The whole system is strapped and locked to the bottom of the saddle.

The DIY Self-balancing unicycle has been called Raptor and builds on Nick’s previous self-balancing projects, providing around 90-120 minutes of use on a single charge. Watch the video after the ...

Use Arduino to handle sensor input and relay control. Pi runs a Python Flask server with a simple UI to toggle GPIO pins via serial commands sent to the Arduino. Use cron jobs on Linux to schedule ...

Using a GPS receiver, an OLED display, a database of red light cameras, and an Atmega with a Arduino bootloader, Dave created a simple system that alerts him when he's near a red light camera.

An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape. By The Big Book Of Hacks Published Jan 10, 2013 3:00 AM EST Get the ...