A Light Dependent Resistor (aka LDR, photoconductor, photocell, or photoresistor.) is a device which has a resistance which varies according to the amount of light falling on its surface, when light falls upon it then the resistance changes.
A Light Dependent Resistor (aka LDR, photoconductor, photocell, or photoresistor.) is a devicewhich has a resistance which varies according to the amount of light falling on its surface, whenlight falls upon it then the resistance changes.