Light Sensor Circuit - Light Dependent Resistor LDR

Light Sensor Circuit - Light Dependent Resistor LDR

An interactive animation showing a breadboard with an LDR and a multimeter to create a very simple example of a light sensor.

A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other words, it exhibits photoconductivity.

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