{
  "id": "lilygo-t3-s3-sx127x",
  "name": "LilyGo T3 S3 (SX127x)",
  "vendorId": "lilygo",
  "kind": "dev-board",
  "lifecycle": "active",
  "familyId": "lilygo-t3-s3",
  "aliases": [
    "T3 S3 SX127x",
    "T3-S3 SX1276",
    "LilyGo T3 S3 (SX1276)"
  ],
  "image": "lilygo_t3s3.svg",
  "datasheet": "datasheet.pdf",
  "official": true,
  "refs": {
    "mesh-sh-device": "lilygo-t3-s3-sx1276"
  },
  "product_url": "https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series",
  "description": "Compact ESP32-S3 + SX1276 LoRa development board with SSD1306 OLED, micro-SD slot, and Qwiic expansion connector. USB-C with PH2.0 battery connector and optional solar input (V1.3). No on-board BMS — use a protected Li-ion cell.",
  "price": {
    "amount": 24,
    "currency": "USD",
    "asOf": "2026-06"
  },
  "roles": [
    "companion",
    "repeater",
    "room-server",
    "standalone-ui"
  ],
  "transports": [
    "ble",
    "usb",
    "wifi"
  ],
  "hardware": {
    "mcu": {
      "model": "esp32-s3",
      "flashMb": 4,
      "psramMb": 2,
      "ramKb": 512
    },
    "radios": [
      {
        "technology": "lora",
        "chip": "sx1276",
        "bands": [
          "868",
          "915"
        ],
        "txPowerDbm": 20,
        "antenna": "IPEX-1.0"
      }
    ],
    "display": {
      "status": "present",
      "technology": "oled",
      "controller": "SSD1306",
      "size": 0.96,
      "resolution": {
        "width": 128,
        "height": 64
      },
      "colors": "monochrome"
    },
    "gnss": {
      "status": "none"
    },
    "leds": {
      "status": "present",
      "description": "Status LEDs"
    },
    "input": [
      {
        "type": "button",
        "description": "BOOT button (boot mode, customizable)"
      }
    ],
    "power": {
      "batterySupported": true,
      "batteryBuiltIn": false,
      "batteryConnector": "PH2.0",
      "charging": true,
      "solarInput": true,
      "consumptionIdleMa": 25,
      "consumptionTxMa": 105
    },
    "expansion": [
      {
        "type": "qwiic",
        "count": 1,
        "interfaces": [
          "I2C",
          "UART",
          "GPIO"
        ]
      },
      {
        "type": "micro-SD",
        "count": 1
      }
    ],
    "physical": {
      "dimensionsMm": {
        "width": 75,
        "height": 36,
        "depth": 8
      },
      "weightG": 15
    },
    "environmental": {
      "operatingTempC": {
        "min": -40,
        "max": 85
      }
    }
  },
  "interfaces": {
    "usb": {
      "connector": "USB-C",
      "capabilities": [
        "power",
        "serial",
        "flashing"
      ]
    },
    "bluetooth": {
      "version": "5.0",
      "ble": true
    },
    "wifi": {
      "status": "present",
      "standard": "802.11 b/g/n"
    }
  },
  "source": {
    "path": "data/devices/lilygo-t3-s3-sx127x/device.yaml",
    "updatedAt": "2026-06-22T21:31:07+02:00"
  },
  "vendorName": "LilyGO"
}