Whist we're talking how-tos, here's a guide that turns your Raspberry Pi into a Ninja Block: http://ninjablocks.com/blogs/how-to/7195040-using-a-raspberry-pi-as

Whist we're talking how-tos, here's a guide that turns your Raspberry Pi into a Ninja Block: http://ninjablocks.com/blogs/how-to/7195040-using-a-raspberry-pi-as-a-ninja-block http://ninjablocks.com/blogs/how-to/7195040-using-a-raspberr...