This is Gamebuino clone, more about this game console you can read here <a href="http://gamebuino.com/" target="_blank">http://gamebuino.com/</a> Look on included brd/sch files Very easy to assembly, minimum components but some skills are required etc. smd soldering and USBasp bootloader burn Known bugs: - Button A and B are swapped :( - I had plan to power with LIR2032, but it look like not good idea - Battery voltage measure is not connected, you need in setup disable voltage check. -------------------------------------------------------------------------------------------------------- I have some boards for sale 5$+5$ shipping, If somebody is interested can write my to bobricius [a] <a href="http://gmail.com" target="_blank">gmail.com</a>