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Dark Sensitive Switch

Specifications

Dark Sensitive Switch is a simple project which operates a relay when the light falling on the LDR goes below a set point.
* Input - 12 V @ 55 mA
* Relay output - NC-C-NO
* Onboard preset to set the level
* Power-On LED indicator
* Relay On LED indicator
* Power Battery Terminal (PBT) for easy relay output connection
* Four mounting holes of 3.2 mm each
* PCB dimensions 44 mm x 49 mm

Schematic

Dark Sensitive Switch

Parts List

Dark Sensitive Switch

PCB

Dark Sensitive Switch

Source: Electronics Lab

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Read disclamer, please!

 

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