light sensor circuit

Posted on Feb 4, 2014

This is a design sensor circuit that can be used for sensing the light. This circuit is using a comparator LM311. This circuit is very simple design. This is the figure of the circuit. This comparator is powered from 12 V DC supply and does not require negative supply to work efficiently. Feedback given to the comparator provides some hysteresis a

light sensor circuit
Click here to download the full size of the above Circuit.

nd the potentiometer allows to adjustment the sensitivity of the detector for darkness.

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