Atom-Matrix v1.1
SKU:C008-B-V11
Description
Atom-Matrix v1.1 is an iterative upgrade of the Atom-Matrix. This product replaces the MPU6886 from the previous generation with a BMI270 six-axis IMU sensor, effectively improving attitude detection accuracy and response speed, making it better suited for high-precision applications such as motion capture and attitude control. The main controller adopts the ESP32-PICO-D4 solution with integrated Wi-Fi connectivity and onboard 4 MB SPI flash. It also features an infrared emitter and a 5×5 RGB LED matrix display. A programmable button is located beneath the LED matrix, supporting custom trigger logic for convenient implementation of IR remote control, visual interaction, and command triggering. This product is ideal for embedded development and prototyping scenarios that require high-precision attitude detection, infrared remote control, and visual interactive feedback.
Note
When using the RGB LEDs, it is recommended to set them to a moderate brightness level. Avoid setting excessively high brightness values, as this may damage the LEDs and the acrylic display.
Tutorial
Features
- Based on ESP32
- Compact form factor
- Built-in 3-axis gyroscope and 3-axis accelerometer (I2C Address: 0x68)
- Programmable button
- RGB LED matrix display
- Infrared transmission capability
- Expandable pins and interfaces
- Development Platform
- UiFlow1
- UiFlow2
- Arduino IDE
- ESP-IDF
- PlatformIO
Includes
- 1 x Atom-Matrix v1.1
Applications
- Motion-sensing remote controller
- Motion capture / Attitude analysis
- Smart home central control node
Specifications
| Specification | Parameter |
|---|---|
| SoC | ESP32-PICO-D4 @ Dual-core processor, 240MHz |
| DMIPS | 600 |
| SRAM | 520KB |
| Flash | 4MB |
| Wi-Fi | 2.4 GHz Wi-Fi |
| Input Voltage | 5V @ 500mA |
| Host Interface | USB Type-C x 1, Grove (I2C+I/O+UART) x 1 |
| RGB LED | 25 x WS2812C-2020 |
| MEMS | BMI270 (I2C Address: 0x68) |
| Infrared | IR transmission supported |
| Button | Programmable button x 1 |
| Antenna | 2.4G 3D Antenna |
| Operating Temp. | 0 ~ 60°C |
| Power Consumption | 5V @ 61.65mA |
| Product Size | 24.0 x 24.0 x 13.9mm |
| Product Weight | 7.3g |
| Package Size | 85.0 x 66.0 x 15.0mm |
| Gross Weight | 13.5g |
Learn
RGB LED Matrix Pixel Order Diagram
Schematics
PinMap
RGB & BUTTON & IR & BMI270
| ESP32-PICO-D4 | G27 | G39 | G12 | G21 | G25 |
|---|---|---|---|---|---|
| RGB Led | Data | ||||
| Btn | Button | ||||
| IR | IR_TX | ||||
| BMI270 (0x68) | SCL | SDA |
HY2.0-4P
| HY2.0-4P | Black | Red | Yellow | White |
|---|---|---|---|---|
| PORT.CUSTOM | GND | 5V | G26 | G32 |
Model Size
Datasheets
Softwares
Arduino
UiFlow1
UiFlow2
PlatformIO
[env:m5stack-atom]
platform = espressif32@6.7.0
board = m5stack-atom
framework = arduino
upload_speed = 1500000
monitor_speed = 115200
build_flags =
-DCORE_DEBUG_LEVEL=5
lib_deps =
M5Unified=https://github.com/m5stack/M5UnifiedUSB Driver
On some systems, Atom-Matrix v1.1 may not function without driver installation. Users can resolve this by manually installing the FTDI VCP driver. Please download the driver package matching your operating system, extract it, and install it via Device Manager. (Note: On certain system environments, the driver may need to be installed twice to take effect. The unrecognized device name is typically M5Stack or USB Serial. On Windows, it is recommended to install the driver directly through Device Manager using the driver files (custom update); installation via the executable may not work correctly.)
FTDI VCP Driver Download Page:
Installation Guide:
Video
- Atom-Matrix v1.1 Product Introduction and Feature Demonstration
Product Comparison
| Product Compare | Atom-Matrix v1.1 | Atom-Matrix  |
|---|---|---|
| 6-Axis IMU Sensor | BMI270 | MPU6886 |
For a comparison of Atom series products, visit the Product Selector, check the target products to view the comparison results. The selector covers key information including core specifications and feature highlights, supporting simultaneous multi-product comparison.