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KY-040 Rotary encode simulation with ESP32

The KY-040 rotary encoder is a rotary input device (as in knob) that provides an indication of how much the knob has been rotated AND what direction it is rotating in. It’s a great device for stepper and servo motor control. You could also use it to control devices like digital potentiometers.

In this tutorial, we will help you with the interfacing and codes.

Source Code

Video Tutorial

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