Looking for countdown timer - Canreef Aquatics Bulletin Board

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Looking for countdown timer

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#16

01-21-2008, 04:59 PM

kwirky

Member

Join Date: Jun 2006

Location: Calgary

Posts: 1,127

a 555 timer project would do the trick if you're up for learning about electronics and have the time to put one together. it would involve a 555 timer and a 120vac relay.

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