An automated controller for home brewing, based on the Sanguino. I didn't design this - I just built it, but thought it would be an interesting addition :)Both the hardware and software designs are open source. Kits and board schematics can be found at the homepage.Homepage is http://www.brewtroller.comMy quick assembly writeup: http://www.nermal.org/projects/brewing/building-the-brewtroller/The official guide (for an older revision of board) can be found at: http://brewtroller.com/index.php?option=com_content&view=article&id=27:brewtroller-kit-assembly-guide&catid=8:howtos&Itemid=20