Bits And Things, Straight From My (Chaotic) Little Bench
Gotcha!
Ah, those sweet moments of luck when You finally find it: the tiny error that keeps Your whole project from working ...
Here it's a tiny connection between an IC pad and a passing track that just shouldn't be there:
GP2D12 Interfacing
Think Tank - have a look :)
Dissecting the RoboMaxx alive - not for tender souls (and in german)