Keyestudio ESP32 - 4. Test Code

ESP32 Starter Kit
3. Wiring Diagram
4. Test Code
Define a variable “distance” with the assignment of detected distance value by the ultrasonic module.
Next, Compare the distance value with 30cm. If it is smaller than 30cm, the servo will rotate to 180° for 5s. Otherwise,
the servo returns to 0°.
9.2. Scratch Project 323