LDR Light Sensor Module for Arduino raspberry PI, use it as light sensing switch with relay modules or make your robot follow and avoid light

Features:
Can detect ambient brightness and light intensity
Adjustable sensitivity (via blue digital potentiometer adjustment)
Operating voltage 3.3V-5V
Output Type
Analog voltage output -A0
Digital switching outputs (0 and 1) -D0
With fixed bolt hole for easy installation
Small board PCB size: 3cm * 1.6cm
Power indicator (red) and the digital switch output indicator (green)
Using LM393 comparator chip, stable

Pin outs:
External 3.3V-5V VCC
External GND GND
DO digital output interface, a small plate (0 and 1)
AO small board analog output interface