Specification:
1. Using infrared reflective sensor TCRT5000
2. Detecting the reflected distance: 1mm ~ 25mm applicable
3. The comparator output signal clean, good waveform driving ability more than 15mA.
4. With multi-turn precision potentiometer adjustable sensitivity adjustment
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 plates PCB size: 3.2cm x 1.4cm
9. Using a wide voltage LM393 comparator