SunFounder ESP32

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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