Created by
Created November 21, 2021
Last modified February 19, 2022
Tags ldr  


Not provided.


Circuit converts a light source into a linear 0-12vdc output using an LDR.

The PNP transistor is used as a constant current supply for the LDR.

The collector is connected to an op-amp.

With the current values the output is about 0-12VDC


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