> Hi Bob, got a link to this as a product? Would be a great addition to > the toolbox. >=20 > Tx, > J I don't know why he needs such a fancy setup, I have previously described h= ere doing the same with a current limited power supply, and a sensitive DVM= , 4 1/2 digit or higher. With a power supply limited to a suitably low curr= ent just measure the volts across each component, the lowest voltage is the= dud one. --=20 Scanned by iCritical. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .