>> If you have nothing under 1M, you may have to put a few in parallel >Short of going shopping, I'll bet there's a dead appliance - monitor, >VCR, TV - in everyone's house that's chock full of basic components Good point. I think that's a pretty safe bet. Have a rummage around. (standard warning about potentially deadly power supply capacitors here applies, especially with stuff like TVs, if not sure, take the internal pull up route) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist