It uses the ESP32-H2FH4S chip, equipped with a RISC-V 32-bit single-core processor with a main frequency of up to 96 MHz and a built-in 4 MB Flash memory. Integrated BLE 5 and IEEE 802.15.4 (Zigbee 3.0 and Thread) wireless communication for reliable RF performance. USB Type-C interface for reversible plug-in convenience. Features multiple peripheral interfaces including SPI, UART, I2C, I2S, LED PWM, and ADC. Stamp-hole design allows direct soldering and integration into custom baseboards. The ESP32-H2-Zero is an entry-level RISC-V microcontroller development board supporting Bluetooth Low Energy (BLE) 5 and IEEE 802.15.4 (Zigbee 3.0 and Thread). Compact and versatile, suitable for smart home, industrial automation, healthcare, and consumer electronics applications. Color: As shown. Material: PCB. Package contents: 2 × ESP32-H2FH4S boards. Other accessories are not included. Note: Screen settings and lighting conditions may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.