On Mon, Jan 30, 2006 at 01:46:26AM -0700, Bob Axtell wrote: > A LiIon might be located (3.6V) that could be boosted to 5V regulated. Hmm, a quick look through Farnell didn't show any below 20 UKP (~$30). > There MIGHT be a paper-thin NiMH, but I doubt it. It doesn't have to be paper thin (sorry for unclear specs). A half-inch-thick button-cell would be just fine, I mostly worried about the size of a sphere the whole device could fit into. > A 10' drop is a very heavy drop! Not many products will survive that, > except the older Fluke meters. Hopefully a combination of padding, potting compound, and being careful will do. Thanks, Chris -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist