Timed NVR relay output

eggsan

Getting comfortable
Joined
Jul 24, 2015
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It came to an application in which I need to keep a load turned ON for an x amount of minutes. My toolbox only included inexpensive timed board which worked just the opposite, turning-on delay for suppressing rush current during power on cycles. If this may be your case, and you will like to have an inexpensive circuit to serve for both situations ( activate or de-activate a relay after an event), this circuit may help. For simplicity, I mounted the board into a piggyback power outlet, Included find the vendors in case you need to order.



 

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