um_feathers3.json

{
  "build": {
    "arduino":{
      "partitions": "default_16MB.csv",
      "memory_type": "qio_qspi"
    },
    "core": "esp32",
    "extra_flags": [
      "-DARDUINO_FEATHERS3",
      "-DBOARD_HAS_PSRAM",
      "-DARDUINO_USB_CDC_ON_BOOT=1",
	  "-DARDUINO_USB_MODE=1",
      "-DARDUINO_RUNNING_CORE=1",
      "-DARDUINO_EVENT_RUNNING_CORE=1"
    ],
    "f_cpu": "240000000L",
    "f_flash": "80000000L",
    "flash_mode": "qio",
    "hwids": [
      [
        "0X303A",
        "0x80D0"
      ]
    ],
    "mcu": "esp32s3",
    "variant": "um_feathers3"
  },
  "connectivity": [
    "bluetooth",
    "wifi"
  ],
  "debug": {
    "openocd_target": "esp32s3.cfg"
  },
  "frameworks": [
    "arduino",
    "espidf"
  ],
  "name": "Unexpected Maker FeatherS3",
  "upload": {
    "flash_size": "16MB",
    "maximum_ram_size": 327680,
    "maximum_size": 16777216,
    "use_1200bps_touch": true,
    "wait_for_upload_port": true,
    "require_upload_port": true,
    "speed": 460800
  },
  "url": "https://unexpectedmaker.com/shop/feathers3",
  "vendor": "Unexpected Maker"
}