Discover 10 Posts with “gpio” Tag.
NOTE: Mind that the article has been written half a year ago, there might be changes to documentation and resources. E.g. now, PiFace Python libraries are included by default in Raspbian. Moreover, what is written here is purely my own opinion and has nothing to do with Pi officials.
Last week I've stumbled upon a great post about Arduino-like device - Pico PiDuino - by Gadgetoid. It is a really minature breadboard Atmel ATmega processor setup, allowing you to explore and learn a bit about the Arduino programming environment. To be honest, to make your own the Pico PiDuino