M5Stack AtomS3
Ultra-compact ESP32-S3 dev board (24x24mm) with 0.85" IPS LCD (128x128), 6-axis IMU, 8MB flash, Wi-Fi, BLE 5.0, USB-C, and Grove port. Ideal for IoT prototyping and embedded UI projects.
$15.50
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Specifications
Components
Espressif ESP32-S3 SoC with 8MB embedded flash, dual-core Xtensa LX7 at 240MHz, Wi-Fi 802.11 b/g/n and Bluetooth LE 5.0
TDK InvenSense 6-axis MEMS IMU with 3-axis gyroscope and 3-axis accelerometer, I2C interface
128x128 pixel IPS LCD for compact UI rendering and status display
Built-in IR LED for infrared remote control signal transmission
4-pin Grove connector (I2C) for plug-and-play sensor and actuator modules
Bus Interfaces
M5Stack AtomS3
The M5Stack AtomS3 is an ultra-compact ESP32-S3 development board measuring just 24x24x12.9mm and weighing only 6.9g. Despite its tiny size, it packs a 0.85-inch IPS LCD display (128x128), a 6-axis IMU (MPU6886), infrared LED, programmable button, and a Grove expansion port.
Key Features
- ESP32-S3FN8 dual-core processor with Wi-Fi and BLE 5.0
- 0.85" IPS LCD display (128x128 pixels) for embedded UI
- MPU6886 6-axis IMU (accelerometer + gyroscope) for motion sensing
- 8MB Flash and 512KB SRAM for program storage
- Grove port for easy sensor and actuator expansion
- Infrared LED for IR remote control applications
- USB-C for power and programming
- 6 GPIOs available (G5, G6, G7, G8, G38, G39)
Development Platforms
The AtomS3 supports Arduino IDE, ESP-IDF, UIFlow 2, MicroPython, and PlatformIO, making it accessible to both beginners and experienced developers.
Specifications
| Spec | Value |
|---|---|
| Processor | ESP32-S3FN8 (Xtensa LX7 Dual-Core, 240MHz) |
| Flash | 8MB |
| SRAM | 512KB |
| Display | 0.85" IPS LCD, 128x128 |
| IMU | MPU6886 (6-axis) |
| Connectivity | Wi-Fi 802.11 b/g/n, BLE 5.0 |
| Power | 5V via USB-C, 3.3V output |
| GPIO | 6 pins |
| Dimensions | 24.0 x 24.0 x 12.9 mm |
| Weight | 6.9g |
| Operating Temp | 0-40°C |
Use Cases
4IoT Prototyping
General-purpose IoT development board suitable for rapid prototyping of connected devices, sensor nodes, and wireless applications.
Wearable
Body-worn computing devices including smartwatches, fitness bands, and health monitors.
Embedded UI
Embedded graphical user interfaces for touchscreen devices, control panels, and custom displays.
sensor-node
Resources
Where to Buy
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