M5Stack Thread Border Router

The M5Stack CoreS3 Thread BR is a Thread Border Router kit combining the ESP32-S3-based CoreS3 (16MB Flash, 8MB PSRAM, Wi-Fi, 2.0" touch LCD, camera, mic, speaker, RTC and IMU) with an ESP32-H2 IEEE 802.15.4 RCP module for OpenThread networking.

The M5Stack CoreS3 Thread BR is a Thread Border Router kit built around the CoreS3 controller and the Module Gateway H2 wireless module. In this setup, the CoreS3 works as the control core of the edge gateway, running user applications alongside the OpenThread protocol stack. The CoreS3 controller is based on the ESP32-S3 SoC and includes 16MB Flash plus 8MB PSRAM. It supports 2.4 GHz Wi-Fi and comes packed with useful onboard hardware, including a 2.0" touch LCD display, camera, microphone, speaker, RTC, and a six-axis motion sensor, along with other rich peripherals. The Module Gateway H2 is built around the ESP32-H2-MINI-1 module and supports IEEE 802.15.4 wireless communication. Acting as an OpenThread Radio Co-Processor (RCP), it provides thread packet forwarding capabilities for the CoreS3 main controller. CoreS3 Thread BR is well suited for smart home systems, environmental monitoring, sensor networks, and low-power wireless communication nodes, making it a strong choice for fast prototyping and product development.

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Features

* CoreS3 Core Controller

* ESP32-S3

* 16MB Flash

* 8MB PSRAM

* microSD Card Slot

* 9-axis IMU Sensor: BMI270 + BMM150

* RTC: BM8563

* USB-OTG

* 0.3MP Camera GC0308

* Proximity Sensor LTR-553ALS-WA

* Audio Codec ES7210

* Dual Microphone Input

* Hi-Fi Power Amplifier AW88298 + 1W Speaker

* Module Gateway H2 (RCP)

* ESP32-H2-MINI-1

* IEEE 802.15.4

* Zigbee, Thread, Matter

* Base DIN

* DIN rail mounting design

* Built-in 500mAh lithium battery

* Supports DC 9 ~ 24V input power supply

* Independent power switch

* 2x HY2.-4P expansion interfaces

Specifications

SoC ESP32-S3 @ Xtensa 32-bit LX7 Dual-core, 240MHz

Flash 16MB

PSRAM 8MB

Wi-Fi 2.4 GHz Wi-Fi

Touch IPS LCD 2.0"@320 x 240 ILI9342C

Camera GC0308@0.3MP

Proximity Sensor LTR-553ALS-WA

Power Management AXP2101

6-axis IMU BMI270

3-axis Magnetometer BMM150

RTC BM8563

Speaker 16bits-I2S Power Amplifier AW88298@1W

Audio Codec ES7210, Dual Microphone Input

RCP ESP32-H2-MINI-1 @ RISC-V 32-bit Single-core, 96 MHz

Base DIN Battery Charging IC: TP4057 Battery Capacity: 500mAh

Product Size 54.0 x 54.0 x 38.1mm

Product Weight 140.8g

Resources

* Documents

Package Contents

* 1x CoreS3 Thread BR

* 1x Hex Key L-Shape 2.5mm (for M3 Screws)

* 4x Screw Clips

* 1x DIN Rail Base Clip