darklight sensor using transistor


Posted on Feb 5, 2014

Automatic dark detector senses darkness. As the light level decreases and LDR meets the maximum threshold resistance, the circuit automatically switches on the LED D1. A light detector senses light. As the light level increases and LDR meets the lowest threshold resistance, the circuit automatically turns on the LED D1. We can adjust the sensitivi


darklight sensor using transistor
Click here to download the full size of the above Circuit.

ty using the preset VR1-10K.




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