Mario Mendes Jr. wrote: > But, the other way to do it, the way I do not believe to be correct, > is to have the PIC connected to the same +5v as everything else, but > not the icd2 +5v, and connect the circuit's ground and the icd2 > ground together. I've always connected everything, powered my device with its own power, and told the ICD2 not to power the target. That's all within spec. The ICD2 will even report the target voltage to you. ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist