UnknownBoard: Unknown board ID 'freenove_esp32_s3_wroom'

ats3788 · January 24, 2026, 11:03am

Does this board has to be installed

Martin Michael

sivar2311 · January 24, 2026, 11:09am

Nope… that board was added 2 years ago in version 6.10.0:

github.com/platformio/platform-espressif32

boards/freenove_esp32_s3_wroom.json

develop

{
  "build": {
    "arduino": {
      "ldscript": "esp32s3_out.ld",
      "partitions": "default_8MB.csv",
      "memory_type": "qio_opi"
    },
    "core": "esp32",
    "extra_flags": [
      "-DARDUINO_ESP32S3_DEV",
      "-DARDUINO_RUNNING_CORE=1",
      "-DARDUINO_EVENT_RUNNING_CORE=1",
      "-DBOARD_HAS_PSRAM",    
      "-DARDUINO_USB_MODE=0",
      "-DARDUINO_USB_CDC_ON_BOOT=0"
    ],
    "f_cpu": "240000000L",
    "f_flash": "80000000L",
    "flash_mode": "qio",
    "psram_type": "opi",

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Maybe you’re using an outdated platform version? Which one do you use / have installed?
(This question gives me a feeling of déjà vu. )