> > Yes, LEDs do sometimes fail short. > > I cant recall every replacing a failed LED or noticing a failed LED in > any equipment. =A0The only LEDs I have know to be failed are those that > I cruel to when I was young. I've had a sample of 1 million +++ to observe :-). As these have passed through small Chinese factories the chances of people having been unkind to them is high. NOTE: That is not a racist statement in any form. I'ts a matter of happenstance). Some Chinese factories are about as good as you can get. Some are very poor indeed. There are a very very large number in the very widely spread middle. Russell --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .