solarwind wrote: > People say current kills. So what happens if you push 1 mA through an > LED @ 1000 V? Will the LED blow? Assuming the current is limited to 1 mA: Forward no, the voltage is clamped. Reverse yes/maybe, if it zeners at a low enough voltage it will injure it slowly, faster if it zeners at a higher voltage. -Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist