On Sat, Jun 4, 2011 at 10:50 PM, Joe Wronski wr= ote: > I wonder if the clients do gigs or studio. I like to throw the tuner > in the guitar case. Not much light there. Maybe you could build a > light source into the case and plug it in! > Sorry to not have useful suggestions. It sounds like a challenging > problem that needs a circuit as low power as a solar powered > calculator. Even they take a while to come to life after long dark > periods. Hilarious. I'll probably just end up using AAA batteries and a switching supply anyway= .. They should last about a year. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .