Photo Interrupter Sensor, robot speed measuring module
Overview
Infrared detection, eliminating the interferences of external stray light
Schmitt trigger, stable wave form and signals
Signal output indicator (while breaking the beam, outputs low level, the indicator lights up)
Specifications
Power: 3.3~5V
Dimension: 26.8mm * 15mm * 18.7mm
Mounting holes size: 3mm
Gap width: 6mm
Applications: Motor speed detection, pulse counter
How to Use:
VCC ↔ 3.3V ~ 5V
GND ↔ GND
DOUT ↔ MCU.IO (digital output)