![]() when the light will fall on the LDR sensor, its resistance will go LOW and in return the voltage across the LDR will also go LOW and as the LDR will come in dark, the resistance will go HIGH and in return the voltage will also go HIGH. it has an internal resistance which is very sensitive to light intensity and varies according to it. This gives an analog value so that it is connected to an analog pin of Arduino Board. LDR (Light dependent Resister) or a photoresistor is a light dependent variable resistor that resistance decreases with the increase in the intensity of light. Before going more, we must find out how LDR is dependent on Light. It is very simple project for Arduino students, hobbyist, and beginners. It is normally used by engineers in their projects and contains a vast list of built-in components. It is also used for circuit and programming testing. Proteus is a very handy software and is used for circuit and PCB designing. In this tutorial, we will discuss how to Control LED using LDR Sensor in Proteus. ![]()
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