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I'm gonna you how to make a alternating pulsating circuit (using 555 timer) to run a relay. Depending on the relay you may be able to run 120vac ...
-1 5 pin relay (5 vdc) -Ceramic capacitor(For reducing arcing on the relay) -1 red LED(optionnal) -1 green LED(optionnal) -2 110 ohm resistor(to go with LED) -10 to ...
The red LED is to indicate power and the green LED is to show the speed that it is pulsing at. I would suggest using a 330 uf ...
I would suggest putting this in a project box. You can pulse lights, motor and other ,anything you relay can withstand.
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