In message <50420C87.705@...>, dated Sat, 1 Sep 2012, Jack Smith <Jack.Smith@...> writes:
I believe mercury wetted reed relays show no bounce but it's been 40 years since I had one in my hands so I could well be remembering it incorrectly.
True, but the use of mercury even in tiny amounts is, in many countries, severely restricted.
I think the 'non-bouncing' reeds that I remembered have to be switched with a relatively slowly increasing current, not a pulse.
--
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