Keyestudio ESP32 - 3. Wiring Diagram; 4. Test Code

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ESP32 Starter Kit

3. Wiring Diagram

4. Test Code

Assign the detected distance value to a variable, and judge whether it is greater than the set threshold value. If so,

corresponding lines on the dot matrix light up. In this way, a distance can be revealed by lighting lines.

Reference Coordinates:

318 Chapter 9. Scratch Tutorial