On Thu, Mar 22, 2012 at 12:29 AM, Wouter van Ooijen wrote: >> If you need to do ICSP only, without debugging, maybe just put a jumper = to >> disconnect battery for programming? > > I was thinking of doing this in a thingie that must be used by students. > Trust them to do it wrong, and I don't like the idea of leaking (or > exploding) batteries. > Can you put the ICSP connector inside / adjacent to the battery compartment, to make it really inconvenient to program while the batteries are in place? Regards, Mark markrages@gmail --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .