the Photo Interrupter Sensor, a versatile module designed for precise robot speed measurement and other applications. Leveraging infrared light detection, this module offers reliable performance even in cluttered environments. Equipped with a Schmitt trigger, it ensures stable waveform and signals for accurate readings.

Features:

• Infrared light detection for immunity to external clutter
• Schmitt trigger for stable waveform and signals
• Signal output indicator for easy monitoring
• Suitable for motor speed detection, pulse count, and more

Specifications:

• Colour: As shown in pictures
• Material: Metal, electronic components
• Size: 26.8x15x18.7mm
• Mounting holes size: 3mm
• Operating voltage: 3.3-5V
• Slot width: 6mm

Pinout:

• VCC: Connects to 3.3V~5V power source
• GND: Connects to ground
• DOUT: Connects to MCU digital output

Watch this informative video to gain a better understanding of the Encoder Photoelectric Speed Sensors in General:

Watch Video