> The tantalums have built-in reverse polarity indication. If you see a > red flame ball about 20 cm diameter scorching everything around then it > means you put it in backwards. The overvoltage indication is similar but > has a shorter delay. And it automatically removes itself from the circuit! -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist