Yes I thought to wait for the docs before starting to build anything. How= ever I've already learned a lot, so thanks for that. Lindy -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of= PICdude Sent: Wednesday, December 21, 2011 3:19 PM To: piclist@mit.edu Subject: RE: [EE] Analogue development board Missed part of this thread, but it seems this is about the same Mikroe anal= og dev board. Won't this work with +/-9V? I'd be surprised if it didn't a= nd a quick email to Mikroe should validate this. Then you should be able t= o use two 9V batteries in series with the midpoint as ground. At least for= a start. Mikroe may also have a solution for this already. Cheers, -Neil. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .