* 제품 사양 

Size: 21 * 20mm
Mounting holes: 2mm
Pitch: 18mm
Voltage: 5V
Ports: Digital
Interface: PH2.0 3P
Platform: Arduino, MCU
Detection frequency:> 100KHz
Output: pulse level

* 제품 특징

Designed for motor design N20, N20 with special wheels can easily achieve a speed detection
Using infrared light to detect and difficult to external interference by stray light
Schmitt trigger, good waveform signal stability
Easy to install, as long as the motor is mounted on the holder to N20