M5Stack Atom Matrix
Ultra-compact ESP32-PICO dev board (24x24mm) with 5x5 RGB LED matrix, 6-axis IMU (MPU6886), IR LED, programmable button, and Grove port. Perfect for LED displays and motion sensing.
$15.50
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Specifications
Components
25 individually addressable WS2812C RGB LEDs arranged in a 5x5 matrix for animations, icons, and visual notifications
MEMS 6-axis motion sensor combining a 3-axis accelerometer and 3-axis gyroscope for motion tracking and gesture detection
Infrared LED for transmitting IR remote control signals to consumer electronics
4-pin Grove connector providing GPIO and I2C interface for external sensors and actuators
Overview
The M5Stack Atom Matrix is an ultra-compact ESP32-PICO-D4 development board featuring a 5x5 WS2812C RGB LED matrix and a 6-axis IMU (MPU6886). At just 24x24x14mm, it delivers rich visual output and motion sensing in one of the smallest ESP32 packages available.
Key Features
- 5x5 RGB LED matrix — 25 WS2812C LEDs for animations, notifications, and simple displays
- 6-axis IMU — MPU6886 accelerometer + gyroscope for motion and gesture detection
- Ultra-compact design — 24x24x14mm form factor, weighing only 14g
- Programmable button — Front-facing button for user interaction
- Grove port — For connecting external sensors and actuators
- IR transmitter — Infrared LED for remote control applications
- USB-C — For programming and power
Specifications
| Parameter | Value |
|---|---|
| SoC | ESP32-PICO-D4 (dual-core 240MHz) |
| Flash | 4MB |
| PSRAM | 8MB |
| Wi-Fi | 802.11 b/g/n (2.4GHz) |
| Bluetooth | BLE 4.2 |
| LED Matrix | 5x5 WS2812C RGB LEDs |
| IMU | MPU6886 (6-axis: 3-axis accel + 3-axis gyro) |
| IR | Infrared transmitter |
| Port | 1x Grove (GPIO/I2C) |
| USB | Type-C |
| Dimensions | 24 x 24 x 14 mm |
| Weight | 14g |
Popular Use Cases
The Atom Matrix excels as a compact LED notification display, motion-sensing node, and gesture controller. Its IMU makes it suitable for wearable prototypes and orientation tracking, while the LED matrix provides visual feedback without needing an external display.
Resources
Use Cases
5led-display
IoT 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.
gesture-detection
sensor-node
Where to Buy
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