ITEM NAME:30PCS Photoresistor GL5516 LDR CDS 5mm Light-Dependent Resistor Sensor Ardui â„–[ Description:.Light-dependent resistors or photoresistors are a staple of electronics. If you need a way to sense the level of ambient light then there is no easier way to do it. As the light on the sensor increases then the resistance across the two leads decreases.
