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Overview In this tutorial, you’ll get to know how to use the rotary encoder. First, you’ll see some information about the rotational encoder, and then you’ll learn how to use a rotary encoder with three practical examples. What You Will Learn What the rotary encoder is and how it works. Displaying encoder position Controlling a LED light using a rotary encoder Controlling a DC moto...

Overview Many Arduino users have written and developed code addons for Arduino. With These addons, called “Library”, complex tasks can be done by writing a few lines of code. One of the biggest advantages of Arduino boards over other processor boards is the availability these libraries. With these libraries, you will be able to interface various parts using Arduino boards in a very short time. What’s a Library? A library is a collection of code that is pre-written and stored in a file in ...

HN3808-AB Rotary Encoders Features A photoelectric rotary encoder is an electromechanical device that has an internal shaft inside a cylindrical space that looks like an motor. The circular plate inside it has two slits. An optical transmitter sensor is located on one side and an optical receiver sensor is located on the other side. When a gap is placed between the two sensors, the sensors and finally the receiver are connected to the microcontroller. Rotary encoder is commonly used to determine the positio...