M5Stack NanoH2
Ultra-compact ESP32-H2 dev module with Thread 1.4, Zigbee 3.0, Matter, and BLE 5 — featuring a Grove port, IR transmitter, and RGB LED in a stamp-sized 23.5×12mm form factor.
$6.95
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Specifications
Components
Single-core RISC-V @ 96MHz with 4MB flash, IEEE 802.15.4, BLE 5, hardware secure boot, and flash encryption. Supports Thread, Zigbee, and Matter natively.
Single WS2812 RGB LED for visual status indication, controllable via single-wire protocol.
GPIO Map
Overview
The M5Stack NanoH2 is an ultra-compact wireless development module built on the Espressif ESP32-H2FH4S SoC. At just 23.5×12×9.5mm and 3.7g, it targets applications requiring IEEE 802.15.4-based mesh networking — supporting Thread 1.4, Zigbee 3.0, and Matter natively.
The board exposes a Grove connector for plug-and-play sensor integration, an onboard IR transmitter for device control, and a WS2812 RGB LED for visual feedback. USB-C provides both power and programming. Security features include hardware secure boot and flash encryption.
The NanoH2 is ideal for building Matter-native end-devices such as smart plugs, occupancy sensors, and contact sensors that connect to Thread border routers. Its stamp-module size makes it suitable for embedding in enclosures or prototyping compact wireless nodes.
Use Cases
5Matter Smart Home
Building Matter-compatible smart home devices that work across ecosystems like Apple Home, Google Home, and Amazon Alexa.
Zigbee Sensor Node
Acts as a Zigbee 3.0 end-device sensor node, joining Zigbee networks to report temperature, occupancy, contact state, or other sensor data.
Thread Mesh Node
Participates in Thread 802.15.4 mesh networks as a router or end-device, enabling low-power wireless connectivity for Matter devices.
home-automation
IR Remote Control
Equipped with an IR transmitter for controlling IR-based appliances such as TVs, air conditioners, and set-top boxes.
Where to Buy
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