The newly released Arduino Leonardo has a few very interesting features, most notably the ability to act as a USB keyboard and mouse thanks to the new ATmega 32U4 microcontroller. This feature isn&… ...

A standard Bluetooth module has to have HID firmware installed. [Dastardly] makes a homemade daughterboard–er, shield–to connect it to the Arduino.

Once you know how to use Arduino boards, you can make custom shortcut keys for your computer, change your thermostat, or even control a walking robot. But to do that, you need to start simple, and ...