5PCS lot Smart car Speed Measuring Module Speed Sensor Wheel Speed Sensor

Product Features: A slot-type photoelectric sensor is used, which consists of an infrared LED and an NPN phototransistor with a groove width of 5.9mm. As long as the non-transparent objects pass through the groove type, it can be triggered (with our shop trolley code) to output TTL low level. The Schmitt trigger is used to de-jitter pulses, which is very stable. It can be used to measure the speed of the car, distance measurement and other applications! Both ends have M3 screw mounting holes. Product parameters: Operating voltage: 3.3V-5V Output form: digital switching OUT output (0 and 1)