M5Stack AtomS3 Lite ESP32S3 Dev Kit


Introduction

ATOM S3 Lite is a versatile programmable controller that belongs to the Atom Series in the M5Stack Development Kit lineup. Powered by the ESP32 S3 FN8 scheme, this compact controller measures only 24x24x9.5mm, making it an ideal choice for space-constrained projects. It boasts an impressive 8MB SPI flash memory, providing ample storage capacity for your applications. With integrated Wi-Fi functionality and a built-in 3D antenna, the ATOM S3 Lite ensures seamless connectivity and reliable wireless communication. Equipped with a 5V to 3.3V power circuit, the ATOM S3 Lite offers stable and efficient power management. It features useful components such as infrared emitting light, RGB status indicators, a programmable button, and versatile GROVE/HY2.0-4P interfaces. These features enable easy integration with various sensors, actuators, and external devices, expanding the possibilities for your projects. The product also includes a power supply and 6 GPIO headers on the bottom, facilitating convenient and flexible expansion applications.

With a convenient Type-C interface, the ATOM S3 Lite allows hassle-free program downloading and seamless serial port communication. The device also comes with an M2 screw hole on the back, providing a secure mounting option for your projects. Whether you're working on embedded smart devices, IoT applications, or prototyping projects, the ATOM S3 Lite is a reliable and compact solution that empowers your creativity and enables endless possibilities.

Features

  • Developed based on ESP32-S3FN8

  • Comes with USB download function

  • Programmable button

  • Infrared emission function

  • Expandable pins and interfaces

  • Development platform: Arduino, UIFlow

Specification

Resources
Parameters

MCU

ESP32-S3FN8

RGB

WS2812B-2020

DCDC

SY8089

Operating temperature

0°C ~ 40°C

Supply voltage

5V

Power supply mode

TYPE C

Output voltage

3.3V

IO interface × 6

G5/G6/G7/G8/G38/G39

Product Size

24mm × 24mm ×9.5mm

Package Size

65mm × 44.5mm × 14mm

Product Weight

5.3g

Package Weight

9.5g

Pinout

Dimensions

How to Use

1. Preparations

2. Download Mode

  • Press and hold the reset button (about 2 seconds) until the internal green LED lights up, then release it. The device is now in download mode, ready for burning.

M5AtomS3 / M5AtomS3 Lite

3. Download Control Board

Refer to the Basic Environment Setup Guide to complete the IDE, M5Stack Board Manager installation, and select the development board M5AtomS3.

4. Install Library Files

Dependency Library Installation: Refer to the Library Management Installation Guide to complete the installation of the M5AtomS3 driver library.

5. Port Selection

Connect the device to the computer via USB cable. After completing the driver installation, you can select the corresponding device port in the Arduino IDE.

6. Program Compilation & Burning

Open the example program “LEDDisplay” in the driver library. Click the upload button to automatically compile and burn the program.

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