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ESP32-based electronic musical instruments

Overview

An electronic musical instrument designed based on the touch function of an ESP32 development board. It uses the `tone()` function to directly output a PWM wave from the GPIO port to drive an 8-ohm, 1-watt speaker. The ESP32's touch pins are brought out to pads as buttons, allowing for a stylophone-like function through touch by hand or a metal object. Audio can also be manually rewritten as a specific array of pitch and delay for playback within the microcontroller. Network connectivity allows for simple operations such as obtaining Bilibili follower counts. Further details are omitted
regarding the reserved serial port header, which may enable playback of array music from a computer via serial communication.

Design Files

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Update:2026-03-28 07:58:59

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