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LCSC ESP32S3 Expansion Board

Overview

This expansion board is based on the LCSC ESP32S3 development board.
It's an upgrade kit for the "IoT Sensing Technology Application Practice" course at Zhejiang University City College. This version adds the MAX98357A for I2S verification.
The PSRAM on the LCSC ESP32S3 development board is already soldered; it's recommended to solder it to improve overall hardware performance.
Tested components on the expansion board include:
1. Screen;
2. SD card
; 3. LEDs and buttons;
4. MAX98357A.
To-do list:
1. Adding PCB silkscreen;
2. Testing and improving the audio software.

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Update:2026-03-27 14:44:21

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