Automatic light switching controller

5 months ago 182
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Description

This electronic system is used in staircases or some other places where it is needed to have an automatic light switching controller. It's a device which turns on the light only when there is dark around and the switch is pressed. It will be turned off after the high state on the output of 555 has been over, according to the formula: t=1,1R2*C5. If you want to control some LED eg. COB instead of small bulb 12V/21W, you are able to power this light with a separate power supply with any voltage. Don't forget to put on the right jumper!

Documents

Automatic light switching controller - scheme

Automatic light switching controller - PCB

BOM

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