introduction:

• main based on: 10k photoresistance

• measures the environment light intensity and input data to Arduino

• small size and easy handle

One can detect the light intensity of the surrounding environment,
 Operating voltage 3.3V-5V
 output form of digital switch output high and low (0 and 1)
 with fixed bolt hole for easy installation
board PCB size: 3.4cm * 1.6cm

The VCC external 3.3V-5V voltage (directly connected to the 5v microcontroller and 3.3v microcontroller)