Light switch series with photo transistor above can be used to control garden lights, street lights, or night lamps automatic. Light switches can be made from several kinds of light sensors. The circuit of light switches are made using a photo transistor light sensors. The series of light switches or light control switch is very simple, because it is made with 1 piece of transistors, 1 piece of photo transistor, 1 relay, 1 variable resistors and diodes.
The series of light switches can work on the voltage 6-12 VDC or DC voltage that judgments in accordance with the relay is used. To set the sensitivity of the exposure is set by VR1. Light switch series with photo transistors can be used to control some lights in parallel with the power depends on the ability of the relay is used.
Circuit of Light switch
The series of light switches can work on the voltage 6-12 VDC or DC voltage that judgments in accordance with the relay is used. To set the sensitivity of the exposure is set by VR1. Light switch series with photo transistors can be used to control some lights in parallel with the power depends on the ability of the relay is used.
Circuit of Light switch
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