Mauricio Jancic wrote: >> I still think that a switcher that provides a low voltage plus maybe PWM >> sounds like the better deal. What's the problem with this? > If you replied with that answer I'm sorry but I missed it. The onlyone I > have from you is the one asking power requirements. I think it was Russell who beat me to it :) Anyway, it's where I'd start working on a solution. Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist