First time I used a 12-bit ADC (standalone) was after I'd been out of school for about a year. I learned a lot about grounding as a result of that. The second i

First time I used a 12-bit ADC (standalone) was after I'd been out of school for about a year. I learned a lot about grounding as a result of that. The second iteration of the board was at least usable at 12 bits. The first barely managed 10 :-)