David VanHorn wrote: >> Or a bunch of cheap 0603 or 0402 LEDs arranged in a X-Y matrix. The >> forward >> voltage will guarantee just about all the energy will go into the >> LED. Since they are diodes, the X-Y grid drive arrangement should >> work. This would make for a cool flash whenever you did blow a fuse. > > Easy to make them fail shorted, harder to make them fail open. If you blast enough current thru them, like discharging a large cap, they pretty much have to fail open I would think. I admit I haven't tried this. Hmm, I do have a roll of 0603 LEDs around here somewhere... ****************************************************************** 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