Light/Dark Detector

Electronic Schematics > Security and other sensors and detectors > Light/Dark Detector

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This handy little circuit can tell the difference between darkness and light, making it very useful for switching on and off signs, porch lights or other things when it gets dark or light.

Schematic

Parts:

Notes:

1. R1 Adjusts sensitivity

Title: Light/Dark Detector
electronic circuit
Source: www.aaroncake.net/circuits/
Published on: 2005-02-10
Reads: 1367
Print version:

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