99 Pinout

📌 Pinout Reference for M5Stack ESP32-S3 Devices

This document summarizes the GPIO pin mappings for common M5Stack ESP32-S3 devices.

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Cardputer

Function	GPIO	Notes
Grove Port	GPIO1 / GPIO2	Common I/O
SD Card	GPIO40 / GPIO39 / GPIO14 / GPIO12	SPI interface

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M5Stick (S3)

Function	GPIO	Notes
Header Pins	GPIO26 / GPIO25 / GPIO0
Grove Port	GPIO32 / GPIO33

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📦 StampS3

Function	GPIOs	Notes
Exposed Pins	GPIO1 / GPIO3 / GPIO5 / GPIO7 / GPIO9 / GPIO13 / GPIO15 / GPIO43 / GPIO44	Common I/O

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🧱 AtomS3 Lite

Function	GPIOs	Notes
Onboard GPIOs	GPIO5 / GPIO6 / GPIO7 / GPIO8 / GPIO38 / GPIO39	Button, RGB, etc.
Grove Port	GPIO1 / GPIO2	I2C default

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T-Embed

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T-Embed CC1101

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