Alright, pertaining to the battery pack, would a circuit designed to charge a li-ion battery pack be capable of charging a li-ion polymer pack? also, does anyone have a link or diagram for a small, simple fm radio? I'd like to have a small unit that allows presets to be set (4) and be able to drive a small lcd. I was wondering, what was the best way to control the volume for one of these devices? would I be best to use a digital pot? If so, what value should I use? i can get one in either 50k, 100k, 200k ohms.
