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.

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 ...

Arduino microcontrollers are popular in DIY and modding circles. But how can you put one to good use? We talk to Ladyada to find out.