>> > Here's a circuit for a "99 cent ESR tester" for use with an >> oscilloscope. You of course need a 'scope to use it BUT a 'scope >> should be something you aspire to add to your test equipment list >> as >> soon as possible. An oldish deadish baddish (choose any 3) one can >> always be acquired for very little or free and even one of those >> can >> utterly transform your test measurement life. > The circuit didn't come through. Whoops ... http://octopus.freeyellow.com/99.html RM -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist