SunFounder ESP32 Starter Kit
Code
Note:
• You can open the file 4.2_pump.ino under the path of esp32-starter-kit-main\c\codes\4.2_pump.
• After selecting the board (ESP32 Dev Module) and the appropriate port, click the Upload button.
• Always displaying “Unknown COMxx”?
Connect the tubing to the pump and place it inside the water-filled container. Once the code has been successfully
uploaded, you will observe the water in the container gradually being drained. During this experiment, please ensure
that the electrical circuit is kept away from water to prevent short-circuiting!
1.15. 4.2 Pumping 57
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