Specification:
1. Using slot type optocoupler sensor.
2. The groove width : 5mm
3. There is output status indicator, the output high level light is off, and the output low level light is on.
4. There is occlusion, output high level; no occlusion, output low level.
5. The comparator output, the signal is clean, the waveform is good, the driving ability is strong, more than 15mA
6. Working voltage 3.3V-5V
7. Output form: digital switch output (0 and 1)
8. With fixed bolt holes for easy installation.
9. Small board PCB size: 3.2cm x 1.4cm
10. Use a wide voltage LM393 comparator.