Catalog > Internet of Things (IOT) Related Products > More Platforms Catalog > Consumer Electronics > Kits > Smart Kits Slotted Optical Speed Measuring Sensor Slotted Optical Speed Measuring Sensor HKD MINI SPEED SENSOR -74HC14 MINI IR INFRARED SLOTTED OPTICAL SPEED MEASURING SENSOR MODULE 25.78 ZAR inc for 1 Each 29 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The slot type photoelectric sensor is composed of an infrared light emitting diode and an NPN phototransistor with a groove width of 5.9 mm. As long as the non-transparent object passes through the slot type, it can be triggered (used with the shop's car code wheel) to output TTL low level. The Schmitt trigger is used to shake the pulse, which is very stable and can be used for measuring the speed of the car, measuring the distance and the like! M3 screw mounting holes at both ends. Product Parameters: Working voltage: 3.3V-5V Output form: digital switch OUT output (0 and 1)