Spesifikasi: 1, the use of imported groove coupler sensor, slot width 5mm. 2, output status indicator lamp output high, output low lights. 3, block, output high; no shelter, output low. 4, the comparator output signal clean, good waveform, driving ability, than 15mA. 5, the working voltage of 3.3V-5V 6, the output format: digital switching output (0 and 1) 7, a fixed bolt holes for easy installation 8, small PCB board size:31mm*14mm 9, using a wide voltage comparator LM393
Product wiring instructions: -VCC positive power supply 3.3-5V -GND power supply is negative -DO TTL switching signal output -AO this module does not work