This image above is an animation running on the watch. It was written as an Arduino sketch which runs on a custom firmware image.

And if they choose a different microcontroller the Arduino IDE will still compile the same sketch for the new hardware. One thing that pops into our minds is write protection.

The guys at Spiderlabs moved Cody's Arduino sketch for duplicating the master key to the Arduino and tested that it worked on an Onity lock they purchased from eBay before cutting down the components.

Of all the Arduino projects we've seen 'round here, this is certainly one of them! Using nothing but a Graphics LCD, an Arduino, and a WebSocket server he wrote using Python / Tornado, this young ...