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Posted to sci.electronics.design,sci.electronics,sci.electronics.equipment,sci.electronics.repair
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Looking for a Low Cost On Delay Timer
On 09/04/2013 01:17 AM, Jan Panteltje wrote:
On a sunny day (Tue, 3 Sep 2013 16:01:31 -0700) it happened "Guv Bob"
wrote in
:
Will this work?
Size R & C so that when switch closes, relay energizes after 5 =
seconds, and remains energized until switch is opened.
http://img839.imageshack.us/img839/4650/uh3.gif
Yes, but 5 seconds needs a big C.
http://www.ebay.com/sch/i.html?_odkw...=0&_fr om=R40
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