Fc-33 10mm Arduino Rpm Sensor Rotational Speed Measuring Sensor 37 battery Mounting Style: PCB mount

Mounting Style: PCB mount

This makes the output voltage constant

Very Important Notification:

If the energization time exceeds 20 seconds it will overheat

Fc-33 10mm Arduino Rpm Sensor Rotational Speed Measuring Sensor 37 battery Mounting Style: PCB mountCorrelation photoelectric Infrared count sensor module is a high quality infrared Counter module at a very cheap price which comes with tiny size and integrated LM 393 chip Applications: Widely used in motor speed detection, pulse count, the position limit, etc. Features: Using imported groove optical coupling sensor, width 5mm. It have the output state light, if output high level, the lights are off. if output low level ,it on. If it covered,it will