Arduino UNO Tutorial 8 – NightLight

In this Arduino UNO tutorial, we are going to use a Light Dependent Resistor (LDR) to create a simple childrens bedroom nightlight which turns on automatically when it gets dark and turns off when it gets light. An LDR's resistance changes depending upon the amount of light hitting the sensor.  For the LDR we are going to use the resistance reduces as the light falling on the device increases. Used in ...

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