M5Stack H2 compact gateway unit supports Thread and Zigbee protocols
M5Stack has introduced a compact gateway unit centered around the Espressif ESP32-H2 module for smart home and IoT applications.
M5Stack ESP32-H2 Thread and Zigbee Gateway Unit
M5Stack has introduced a compact gateway unit centered around the Espressif ESP32-H2 module, specifically designed to facilitate low-power wireless protocols such as Thread, Zigbee, and Matter for smart home and IoT applications. The ESP32-H2 features an embedded on-chip module with a RISC-V single-core processor operating at a clock frequency of up to 96 MHz.
This unit can function as a gateway, serving as a Thread border router or Zigbee gateway, or be used as a terminal or endpoint device within a network. It can also operate independently when only the IEEE 802.15.4 wireless functionality and host interface are required. Communication with the host is achieved via UART through a Grove interface.
One of the potential applications of the H2 gateway unit is as the central component of a home automation system. For instance, you can connect the module to Wi-Fi or Ethernet through a host, allowing it to function as a border router for the Thread network or as a gateway that enables Zigbee devices to be accessible to a home controller.
Specifications of M5Stack ESP32-H2 Thread and Zigbee Gateway Unit
- SoC: Espressif ESP32-H2 with RISC-V 32-bit single-core processor clocked at 96 MHz
- Flash storage: 2 MB
- Antenna: Onboard PCB antenna module
- Wireless radio: IEEE 802.15.4, including Zigbee 3.0, Thread 1.3, and Matter
- Power consumption:
- Operating current: DC 5 V at 26.08 mA
- Standby current: DC 5V at 16.16 mA
- Sleep current: DC 5V at 92.7 uA
- Operating temperature: 0 to 40°C
- Product dimensions: 48.0 x 24.0 x 8.0 mm
- Product weight: 6.9 grams
- Package dimensions: 138.0 x 93.0 x 9.0 mm
- Package weight: 12.3 grams
The wireless radio standard IEEE 802.15.4, used in Zigbee and Thread, operates at 2.4 GHz and includes channel ranges from 11 to 26, delivering data rates typically around 250 kbps at PHY. However, there is support for Wi-Fi and Bluetooth, as well as Bluetooth Low Energy connectivity.
On the software toolchain side, the M5Stack Gateway H2 unit is compatible with ESP-IDF and Arduino IDE, and is anticipated to soon support UIFlow 2.0. Firmware updates for the gateway unit can be performed via the USB Type-C port and boot button, using standard tools like ESP Downloader within the supported toolchain.
Images courtesy of M5Stack
