1. Using infrared reflection sensors TCRT50002. Test reflection distance: 1mm to 25mm3. Clean and the comparator output, signal waveform, driving ability is strong, for more than 15 ma.4. With adjustable precision potentiometer to adjust sensitivity5. The working voltage of 3.3V to 5V6. Output form: digital switch output (0 and 1)7. Has a fixed hole, convenient installation8. Small board PCB size: 3.1cm x 1.4cm9. The LM393, use of wide voltage comparator10. Applications: 1, the electricity meter pulse data sampling11. Fax machine, shredder paper detection12. Obstacle detection

• 1. Using infrared reflection sensors TCRT5000
• 2. Test reflection distance: 1mm to 25mm
• 3. Clean and the comparator output, signal waveform, driving ability is strong, for more than 15 ma.
• 4. With adjustable precision potentiometer to adjust sensitivity