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  "path": "/2026/05/22/esp32-s31-development-boards-iot-smart-audio-and-hmi-applications/",
  "publishedAt": "2026-05-22T10:51:23.000Z",
  "site": "https://www.cnx-software.com",
  "tags": [
    "Audio",
    "Espressif",
    "Graphics",
    "Hardware",
    "802.15.4",
    "bluetooth",
    "C/C++",
    "camera",
    "development board",
    "display",
    "esp32",
    "ethernet",
    "hmi",
    "IoT",
    "matter",
    "smart speaker",
    "thread",
    "wifi 6",
    "zigbee",
    "ESP32-S31 development boards unveiled for IoT, Smart Audio, and HMI applications",
    "CNX Software - Embedded Systems News"
  ],
  "textContent": "Two ESP32-S31 development boards are currently in the works, and the documentation is already available. The ESP32-S31 was unveiled last March, and it’s the most feature-rich ESP32 wireless microcontroller so far with two RISC-V cores, Gigabit Ethernet, 2.4 GHz WiFi 6, Bluetooth, and 802.15.4 connectivity, LCD and camera interfaces, and more. The ESP32-S31-Function-CoreBoard-1 development board is based on the ESP32-S31-WROOM-3 wireless module, and offers Gigabit Ethernet, USB 2.0 OTG, and onboard audio peripherals for connected IoT applications. The ESP32-S31-Korvo-1 is a multimedia-focused development board based on the same ESP32-S31-WROOM-3 module, but featuring a dual-microphone array for speech recognition and near/far-field wake-up, two speaker connectors, a 4.3-inch LCD, a 3MP camera module, and a microSD card slot. It targets low-cost, low-power, connected audio/video and HMI applications. ESP32-S31-Function-CoreBoard-1 development board Specifications: Wireless module – ESP32-S31-WROOM-3 SoC – ESP32-S31NRV16 CPU RISC-V HP (High-performance) RV32IMAFCP CPU @ 320 MHz with FPU, SIMD, etc. RISC-V [...]\n\nThe post ESP32-S31 development boards unveiled for IoT, Smart Audio, and HMI applications appeared first on CNX Software - Embedded Systems News.",
  "title": "ESP32-S31 development boards unveiled for IoT, Smart Audio, and HMI applications"
}