Photosensitive Sensor Module Light Detection Module

using sensitive type photosensitive resistance sensor 
the comparator output, signal clean, good waveform, driving ability is strong, for more than 15 ma. 
with adjustable potentiometer can detect light brightness adjustment 
the working voltage of 3.3 V to 5 V 
the output form: digital switch output (0 and 1) 
has a fixed bolt hole, convenient installation 
small board PCB size: 3.2 cm x 1.4 cm 
using the LM393 wide voltage comparator