The MAX7219 is really neat and easy to chain. There's a thread on it somewhere (although it's gone a bit quiet now).
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
The MAX7219 is really neat and easy to chain. There's a thread on it somewhere (although it's gone a bit quiet now).