This special housing confirms that the Photo Transistor gets light only from the Infrared LED and all the external source of light is removing. These two parts are set into each other is a housing build of black thermoplastic. The sensor part of the LM393 Sensor contains an Infrared LED and an NPN Transistor. If you are intimate with the designs of sensor, then this sensor can also be split into two parts: the sensor and other is control part. The LM393 device is actually associate degree infrared emission device integrated with Voltage Comparator. In order to calculate speed of a motor using Arduino, I have utilized a Speed sensor with Arduino. In this project, I have utilized a cheap Infrared Speed Sensor. There are many kinds of Speed Sensor like Hall-effect sensors, Eddy Current speed sensor, etc. Interfacing Speed Sensor Using ArduinoĪ speed device could be a kind of measuring device that’s wont to calculate the speed of a revolving object sort of a motor. In this tutorial(lm393 ir sensor), I will discuss about Speed Sensor device, how this component works and I will display you how to Interface Speed Sensor with Arduino and calculate the speed of a motor.
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