🔌 NanoH2 — Ultra‑Compact IoT Development Board
The NanoH2 is an ultra‑compact IoT development board 📦 in the M5Stack development kit series. Powered by the ESP32‑H2FH4S SoC ⚙️, it includes hardware‑level security features such as secure boot 🔐 and Flash encryption 🔒.
It integrates IEEE 802.15.4 wireless communication 📡 and supports Zigbee, Thread, and Matter (based on Thread), enabling seamless interoperability across modern IoT ecosystems.
The hardware includes a built‑in LED 💡, IR infrared transmitter 📤, RGB indicator 🌈, Grove interface 🔌, USB Type‑C port ⚡, and a user button 🔘. With the Grove port, developers can flexibly expand with various M5 modules, unlocking rich hardware possibilities.
NanoH2 is ideal for lightweight IoT applications 🌐, including smart home 🏠, industrial control 🏭, consumer electronics 📱, low‑power wireless nodes 🔋, and the development of IEEE 802.15.4‑based IoT terminals.
⭐ Features
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📡 Supports Zigbee, Thread, and Matter wireless protocols
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💡 Built‑in LED, IR infrared transmitter, and RGB indicator
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🔌 Grove port for multi‑peripheral expansion
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⚡ USB Type‑C for power and programming
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📏 Ultra‑compact size
🧰 Development Platform
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Arduino
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ESP‑IDF
📦 Includes
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1 × NanoH2
🚀 Applications
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🏠 Smart Home
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🏭 Industrial Control
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📱 Consumer Electronics
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🔋 Low‑Power Wireless Communication Nodes
Specifications
| Specification | Parameter |
|---|---|
| SoC | ESP32-H2FH4S@RISC-V 32-bit single-core, up to 96 MHz |
| Flash | 4MB |
| RGB | WS2812 |
| Communication Protocol | IEEE 805.15.4 (including Zigbee 3.0, Thread 1.4, Matter) |
| OpenThread Range | Maximum distance 225m, packet loss rate 0% |
| IR Remote Parameters | IR transmission distance at ∠0°: 395CM IR transmission distance at ∠45°: 70CM IR transmission distance at ∠90°: 10CM |
| Grove Max Load | DC 4.43V@2A (5min, 25.2℃) |
| Operating Power | IEEE 805.15.4 wireless: TX: DC 5V@18.68mA / RX: DC 5V@18.82mA IR remote: DC 5V@6.80mA RGB (white): DC 5V@10.79mA LED: DC 5V@12.34mA (max brightness) |
| Product Size | 23.5 x 12.0 x 9.5mm |
| Product Weight | 3.7g |
| Package Size | 100.6 x 80.0 x 10.5mm |
| Gross Weight | 16.5g |
Learn
Download Mode
To flash firmware, you need to enter download mode: press and hold the button GPIO9, then connect the USB cable to enter download mode.
Schematics
PinMap
IR & RGB & Button & LED
| ESP32-C6FH4 | G3 | G4 | G9 | G10 | G11 |
|---|---|---|---|---|---|
| IR | IR | ||||
| LED | LED(Blue) | ||||
| BUTTON | BUTTON | ||||
| WS2812 | EN(RGBPWR) | DI(RGB) |
HY2.0-4P
| HY2.0-4P | Black | Red | Yellow | White |
|---|---|---|---|---|
| PORT.CUSTOM | GND | 5V | G2 | G1 |
Model Size
Datasheets