Starter Guide

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3. Experimental code：
Lesson 30 Rotary encoder->code->Rotary_encoder.py
4. Click “flash” and download the code onto the micro:bit.
Now you can see that when we rotate the rotary encoder clockwise and
counterclockwise, we can see the corresponding content display on the
matrix LED.
Effect Picture：
Summary：
Through this lesson, I believe that you have had a certain understanding of
the working principle and operation mode of the rotary encoder.