{
  "id": "si1145",
  "name": "SI1145 UV index / IR / visible light",
  "category": "sensor",
  "measures": [
    "uv",
    "light",
    "proximity"
  ],
  "pins": [
    {
      "name": "VIN",
      "role": "power"
    },
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "3VO",
      "role": "passive",
      "notes": "3.3 V output of the on-board regulator. Leave unconnected"
    },
    {
      "name": "SCL",
      "role": "i2c_scl"
    },
    {
      "name": "SDA",
      "role": "i2c_sda"
    },
    {
      "name": "INT",
      "role": "int",
      "notes": "Interrupt output, optional"
    },
    {
      "name": "LED",
      "role": "passive",
      "notes": "For an external IR LED (proximity). Leave unconnected"
    }
  ],
  "bus": "i2c",
  "addresses": [
    "0x60"
  ],
  "idCheck": {
    "register": "0x00",
    "expect": "0x45"
  },
  "voltage": "3.3-5",
  "pullupsOnBoard": true,
  "model": {
    "shape": "breakout",
    "size": [
      20,
      18,
      1.6
    ],
    "color": "#1F4FA8"
  },
  "keywords": [
    "si1145",
    "silicon labs",
    "uv index",
    "ir",
    "proximity",
    "ultravioletti",
    "luce"
  ],
  "sources": [
    {
      "title": "Silicon Labs Si1145/46/47 datasheet",
      "section": "Register 0x00 PART_ID (0x45 = Si1145, 0x46 = Si1146, 0x47 = Si1147); I2C address 0x60"
    },
    {
      "title": "Silicon Labs Si1145/46/47 datasheet",
      "section": "UV index is calculated from visible and IR light, it has no real UV photodiode"
    }
  ]
}