The LDR Sensor Module is used to detect the presence of light / measuring the intensity of light. The output of the module goes high in the presence of light and it becomes low in the absence of light. The sensitivity of the signal detection can be adjusted using potentiometer.
 
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
 
* Product Images are shown for illustrative purposes only and may differ from actual product.