SunFounder ESP32 Starter Kit
is associated with a specific note, and when the user touches a pin, the corresponding note is played on the passive
buzzer. The result is a simple and affordable way to enjoy the experience of playing the piano.
Wiring
Code
Note:
• Open the 6.1_fruit_piano.py file located in the esp32-starter-kit-main\micropython\codes path,
or copy and paste the code into Thonny. Then, click “Run Current Script” or press F5 to execute it.
• Make sure to select the “MicroPython (ESP32).COMxx” interpreter in the bottom right corner.
from machine import Pin, PWM, TouchPad
import time
# Define the touch pins and their corresponding notes
touch_pins = [4, 15, 13, 12, 14, 27, 33, 32] # Use valid touch-capable pins
notes = [262, 294, 330, 349, 392, 440, 494, 523]
# Initialize the touch sensors
touch_sensors = [TouchPad(Pin(pin)) for pin in touch_pins]
# Initialize the buzzer
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410 Chapter 3. For MicroPython User
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