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thewireguys

photocell switch 12v

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the customer wants to trigger recording when the light comes on. The camera has a dry contact input and I would like to power the photocell with low voltage so I don't have to use my electrician. Option B is to use a relay off the light switch.

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the customer wants to trigger recording when the light comes on. The camera has a dry contact input and I would like to power the photocell with low voltage so I don't have to use my electrician. Option B is to use a relay off the light switch.

 

I like the idea, but keep in mind these photocells have a very large lag time of 15-45 seconds. I'm not sure this would be best if you want instantaneous ON.

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