Subjects>Electronics>Cameras

What is a photoswitch?

Anonymous

∙ 12y ago

Updated: 9/23/2023

It is a switch that is activated by light levels. They are used in dusk to dawn sensors. Light in the daytime, through the switch, holdsthe circuit open. At night, with no light source on the sensor cell, the switch closes and is usedto bring the night light on.

Wiki User

∙ 12y ago

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