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Time delay Circuit-How?

BigBen10

Nov 11, 2012
9
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Nov 11, 2012
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Please does anyone have any idea on where and how to get a time delay circuit that comes on every 8hours, remain on for about a minute then go off again, and continues the cycle. Also is is possible to use a PIC for such an operation
 

Raven Luni

Oct 15, 2011
798
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Oct 15, 2011
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798
For that kind of application you need a real time clock. If you want to use a PIC, look for a clock module thats compatible with one, then write your code accordingly
 

CocaCola

Apr 7, 2012
3,635
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Apr 7, 2012
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3,635
If not what Harald suggested there are likely green house/lawn watering timers that will do this as well...

If precision timing isn't crucial you could do it with a small PIC chip alone...
 

BobK

Jan 5, 2010
7,682
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Jan 5, 2010
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7,682
Or you could always do it with a PIC and crystal, no seperate real-time clock needed, just some programming.

Bob
 

poor mystic

Apr 8, 2011
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Apr 8, 2011
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1,074
:) Sometimes our suggestions are better if we know what the application is to be...
 
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