> So I'd then use two AAA batteries, the same switching supply, but I'm > assuming that for a device like this, the end user is too lazy to keep > charged or properly maintained. So I'm trying to find the most selft > maintaing solution possible. Solar would be best if it provided enough > energy under room light conditions.=20 Don't worry, if they are that lazy they will probably put it down with the = solar cells on the bottom ... --=20 Scanned by iCritical. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .