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M5Stack Atom S3 Lite ESP32-S3 Dev Kit

₹1,159.00 (Inclusive of all taxes)
Out of Stock

The M5Stack Atom S3 Lite is a compact ESP32-S3FN8 development board with integrated Wi-Fi, a 3D antenna, and a Type-C interface, designed for Arduino and UIFlow programming in space-constrained IoT and embedded projects.

Features

  • Powered by the ESP32-S3FN8 dual-core microcontroller with integrated 2.4 GHz Wi-Fi and Bluetooth LE for robust wireless connectivity.
  • Ultra-compact 24x24x9.5mm form factor with an M2 mounting hole, ideal for wearables and embedded devices.
  • Features a programmable button, RGB LED (WS2812B), and infrared emitter for interactive and remote control applications.
  • Includes 6 versatile GPIO pins (G5, G6, G7, G8, G38, G39) and a GROVE/HY2.0-4P interface for easy sensor and actuator expansion.
  • Onboard 5V to 3.3V power regulation and 8MB SPI flash memory for stable operation and ample code storage.

Out of stock

Description

The M5Stack Atom S3 Lite is a miniature yet powerful programmable controller built around the Espressif ESP32-S3FN8 chip. This board delivers a dual-core Xtensa LX7 processor, 8MB of flash memory, and integrated 2.4 GHz Wi-Fi with a built-in 3D antenna, providing a complete wireless IoT node solution in a package barely larger than a postage stamp. Its efficient power management circuit accepts a 5V input via the USB Type-C port and regulates it to a stable 3.3V for the core system and peripherals.

Designed for maximum flexibility in constrained spaces, the board exposes six multifunction GPIO pins supporting digital I/O, ADC, and touch sensing, alongside a standardized GROVE connector for plug-and-play modularity. The integrated programmable tactile button, addressable RGB LED, and infrared transmitter enable immediate development of user interfaces, status indicators, and remote control functions without requiring additional components. The inclusion of an M2 screw hole on the rear facilitates secure mounting in end-use enclosures or wearables.

Key Features

  • ESP32-S3FN8-based core with dual-core 240 MHz processor and 8MB SPI flash for complex IoT applications.
  • Integrated 2.4 GHz Wi-Fi and Bluetooth LE radio with an onboard 3D printed antenna for reliable wireless communication.
  • Ultra-compact and ruggedized design measuring 24x24x9.5mm, featuring a metal M2 mounting hole for industrial integration.
  • Comprehensive onboard I/O includes a programmable button, infrared LED (940nm), and a WS2812B RGB LED for interactive feedback.
  • Convenient USB Type-C interface for seamless power delivery, programming, and serial debug communication.
  • Versatile expansion via 6 GPIO pins and a 4-pin GROVE/HY2.0 connector for attaching sensors, displays, and actuators.
  • Stable 5V to 3.3V DC-DC power circuit ensures clean power for the MCU and connected peripherals.
  • Officially supported by the Arduino IDE and M5Stack's graphical UIFlow platform for rapid prototyping.

Applications

  • Compact IoT sensor nodes for environmental monitoring (temperature, humidity, air quality).
  • Wearable electronics and smart device controllers due to its tiny form factor.
  • Prototyping embedded smart home automation devices and remote controls.
  • Educational tools for learning wireless IoT development with Arduino and UIFlow.
  • Interactive art installations and gadgets utilizing the RGB LED and IR transmitter.

Technical Specifications

Microcontroller / SoCESP32-S3FN8 (Dual-core Xtensa LX7, 240 MHz)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth LE 5.0
Flash Memory8 MB SPI Flash
Supply Voltage5V via USB Type-C
Output Voltage3.3V (Regulated)
Digital I/O Pins6 (G5, G6, G7, G8, G38, G39)
Onboard PeripheralsProgrammable Button, WS2812B RGB LED, Infrared Emitter
Expansion InterfaceGROVE / HY2.0-4P Connector
AntennaIntegrated 3D Printed Antenna
Programming InterfaceUSB Type-C (CDC)
Operating Temperature0°C to 40°C
Dimensions24 x 24 x 9.5 mm

Frequently Asked Questions

How do I program the M5Stack Atom S3 Lite, and which development environments are supported?

You can program the Atom S3 Lite using the Arduino IDE with the ESP32 board package installed or M5Stack's UIFlow graphical platform. Connect the board via the provided USB Type-C cable, select 'M5Stack AtomS3 Lite' as the target board in your IDE, and upload your code. The board uses a standard USB CDC serial port for communication, so no external USB-to-serial adapter is required.

What is the purpose of the infrared LED and RGB LED on the Atom S3 Lite board?

The infrared LED (940nm) can be controlled via a GPIO pin to transmit remote control signals for TVs, air conditioners, or other IR devices, enabling your project to function as a universal remote. The onboard WS2812B addressable RGB LED provides visual status feedback, debugging indicators, or decorative lighting effects and is controlled using single-wire NeoPixel libraries.

Can I power the Atom S3 Lite from a battery, and what are its power consumption characteristics?

Yes, you can power it from a 5V battery source connected via the USB Type-C port or through the VIN pin on the GROVE connector. The board's internal regulator steps this down to 3.3V. The ESP32-S3 supports multiple low-power sleep modes; current consumption can range from tens of milliamps during active Wi-Fi transmission to microamps in deep sleep, making it suitable for battery-operated IoT nodes.

How many GPIO pins are available for use, and what are their capabilities?

Six GPIO pins are broken out: G5, G6, G7, G8, G38, and G39. These pins support digital input/output, some can function as analog inputs (ADC), and others may have touch sensor capabilities. The specific functions are defined in the ESP32-S3 datasheet. The GROVE connector provides access to two of these GPIOs (typically one digital and one analog) plus 3.3V and GND for easy peripheral connection.

Package Includes

  • 1 x M5Stack Atom S3 Lite ESP32-S3 Development Board

Additional Information

Weight 0.012 kg
Dimensions 2.4 × 2.4 × 0.95 cm