The ESP32-S31-Zero is a compact multi-protocol development board based on the ESP32-S31 series chip, integrating wireless communication, firmware downloading, power conversion, and common expansion interfaces. High-performance dual-core processor and PSRAM in the chip's package provide resources for networked control, graphical interfaces, and embedded data processing.

• Equipped with high-performance 32-bit RISC-V dual-core processor, up to 320MHz main frequency, and integrates a dedicated low-power RISC-V processor
• Integrated with 512KB high-performance Static RAM, 32KB Low-Power Static RAM, and 320KB ROM
• Options for ESP32-S31NRV16 / ESP32-S31NRV32 chips, with built-in 16MB / 32MB Octal SPI PSRAM
• Supports 2.4GHz Wi-Fi 6, compatible with IEEE 802.11 b/g/n/ax. Supports Bluetooth 5.4 LE, Bluetooth Classic, and IEEE 802.15.4, suitable for Zigbee and Thread application development
• Onboard CA-C03 SMD antenna or IPEX-4 antenna connector for flexible antenna selection
• Equipped with a USB Type-C port for power supply, USB Serial/JTAG firmware downloading, log output, and debugging
• Onboard WS2812B-1010 addressable RGB LED, BOOT download button, and RESET button
• Adapting display, touch, SD/MMC, and GPIO signals via a 40PIN board-to-board connector for easy connection to expansion boards
• Provides demos covering GPIO, RGB LED, buttons, UART, I2C, Wi-Fi, BLE, and other development features