ESP32H2DEVKITN4 is a compact entry level RISCV microcontroller development board that integrates Bluetooth 5 and IEEE 802.15.4 (Zigbee 3.0 and Thread). It combines strong wireless capability with a rich set of peripherals, making it suitable for smart home, industrial automation, and consumer electronics applications. Key benefits Wireless versatility: supports Bluetooth 5 along with Zigbee 3.0 and Thread networks via IEEE 802.15.4, enabling robust mesh and point to point communication for smart devices. Cost effective RISCV core: powered by the ESP32H2MINI1N4 module, a 32bit single core RISCV processor up to 96 MHz, with 4 MB builtin Flash for code and data. Rich peripheral set: available SPI, UART, I2C, I2S, LED PWM, ADC interfaces to connect sensors, actuators, displays and other peripherals. Easy compatibility and expansion: pin interface is compatible with ESP32H2DevKitM1, allowing use of existing peripheral ecosystems and simpler expansion. Integrated USB capabilities: onboard CH343 serial port and CH334 USB HUB chips enable development via a USBC interface for USB and UART communication. Compact and practical: designed to be physically small while delivering solid performance for embedded projects and prototypes. Hardware overview Module: ESP32H2MINI1N4 Processor: RISCV 32bit singlecore, up to 96 MHz Flash memory: 4 MB builtin Peripherals: SPI, UART, I2C, I2S, LED PWM, ADC Wireless: Bluetooth 5, IEEE 802.15.4 (Zigbee 3.0 and Thread) Onboard chips: CH343 serial port and CH334 USB HUB USB interface: USBC for USB and UART development Compatibility and expansion Pin interface compatible with ESP32H2DevKitM1, enabling easy transition and compatibility with a broad range of peripheral devices. Supports expansion of wireless and wired interfaces through standard SPI, UART, I2C, and I2S connections. Use scenarios Smart home hub or Zigbee/Thread node: serve as a controller or gateway for Zigbee 3.0 and Thread devices, enabling device orchestration and local processing. Industrial automation peripheral: collect sensor data via I2C or SPI, process locally, and communicate wirelessly or over USB for debugging and data transfer. Prototyping and development: ideal for students and engineers to build wirelessenabled prototypes, test mesh networks, and perform rapid hardware/software iteration via USBC debugging. USBUART development and debugging: use the CH343 and CH334 onboard chips to connect through USBC to a PC for programming, logging, and UART communication. Notes on performance and design The combination of Bluetooth 5 and IEEE 802.15.4 in an entry level RISCV board provides a flexible platform for wireless IoT projects. The 4 MB Flash memory supports moderate application sizes and firmware updates, while the broad peripheral set supports a wide range of sensors and actuators. The compact form factor and integrated USBC interface simplify deployment in spaceconstrained projects and streamline development workflows. This description preserves the original model, function, and features while presenting a clear, professional, and customerfriendly overview.