Well, I'm bored so I decided to create a portable yBox2. Maybe anyone knows how to add batteries into the board?
If yes, please include step by step procedure =) here's the ybox2 http://www.ladyada.net/make/ybox2/solder.html
If yes, please include step by step procedure =) here's the ybox2 http://www.ladyada.net/make/ybox2/solder.html