Beam photoelectric sensor infrared radiation count Sensor Module

Description : Chip: LM393, on the radio infrared head Working voltage: DC 5 V Features 1, It has a signal output instructions. 2Single-channel output. 3, Output valid signal is low. 4, Sensitivity is not adjustable. 5.It can be used for workpiece count, the motor speed. . . . 6.Circuit board output switch!