Light/Dark Detector relay


Posted on Apr 24, 2012

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.


Light/Dark Detector relay
Click here to download the full size of the above Circuit.

R1 Adjusts sensitivity




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

RF-telemetry transmitter features minimal parts count
2 Transistor FM Voice Transmitter
Digital Sine Wave Oscillator
Free Power Generator Circuit
50W Offline Switching Power Supply
LM3900 Audio Mixer Schematic Diagram
Bass and Treble Tone Control circuit
Motor Controller
crack lebox
led chaser provides three game
555 ramp generator
The TDA2003 10W Car Radio Audio Amplifier



Top