Module Features:
1. The use of imported groove coupler sensor
2. The groove width of 5mm
3. Output status indicator, the lamp off output high, output low lights.
4. Obscured, output high; unobstructed, output low
5. The comparator output signal clean, good waveform, driving ability, more than 15mA
6. The working voltage of 3.3V-5V
7. The output format: digital switching outputs (0 and 1)
8. A fixed bolt holes for easy installation
9. Small plates PCB size: 3.2cm x 1.4cm
10. Using a wide voltage LM393 comparator
Module for use:
1. Module slot unobstructed when the receiver turns on, the module DO output low, while blocking, DO output high;
2. Can be connected to the relay module DO composition limit switch functions, the buzzer may be connected to the active module composed alarm.
