On Wed, Jun 22, 2011 at 12:16 AM, RussellMc wrote: > > Veronica Merryfield wrote: > >> Seconded. Never had to do this in a hotel room but done > >> plenty of similar things, often with the phone or network lines. > Yeah, had to do crazy things like that too at certain points. It was a really cold winter storm and the roads were very dangerous. I had almost nothing at my apartment and an old drained cell phone. I had to dismantle the intercom thing in my apartment and somehow managed to find a 5V (or was it 6V?) line to charge the battery. Obviously dangerous to overcharge at 5V= , but did it for a few minutes just to get a bit of emergency talk time. Phone line. > Yes !!! > Constant current source ! :-) > Seriously - is it? How many mA? Maximum voltage? Useful information if I ever need it. > Near universally available. > Adaptor cord may be found on many office desks. > "Hello, .... hello ...?" > Somewhat slow charge, but needs must. > Whipping up a GSR would give about 10:1 charge boost into a single > What's a GSR? > LiIon or 5:1 for DSLR (DSLR camera batteries typically use 2 cells in > series) > > Then there's the room PC's USB ports. > ... > Checkout: "Sir, room service reports that the cord is missing from the > 'mouse' in your room." Had to do that more than once. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .