{
  "id": "ds1307-rtc",
  "name": "DS1307 real-time clock (Tiny RTC)",
  "category": "sensor",
  "measures": [
    "time"
  ],
  "pins": [
    {
      "name": "SQ",
      "role": "passive",
      "notes": "Square wave output. Leave unconnected"
    },
    {
      "name": "DS",
      "role": "passive",
      "notes": "Optional DS18B20 footprint. Leave unconnected"
    },
    {
      "name": "SCL",
      "role": "i2c_scl",
      "notes": "Pulled up to 5 V on the board: remove the pull-ups or use a level shifter"
    },
    {
      "name": "SDA",
      "role": "i2c_sda",
      "notes": "Pulled up to 5 V on the board: remove the pull-ups or use a level shifter"
    },
    {
      "name": "VCC",
      "role": "power",
      "notes": "Needs 5 V: use VIN"
    },
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "BAT",
      "role": "passive",
      "notes": "Battery voltage. Leave unconnected"
    }
  ],
  "bus": "i2c",
  "addresses": [
    "0x68",
    "0x50"
  ],
  "voltage": "5",
  "pullupsOnBoard": true,
  "model": {
    "shape": "module",
    "size": [
      27,
      28,
      10
    ],
    "color": "#1F4FA8"
  },
  "keywords": [
    "ds1307",
    "rtc",
    "tiny rtc",
    "real time clock",
    "clock",
    "orologio"
  ],
  "sources": [
    {
      "title": "Maxim DS1307 datasheet",
      "section": "I2C address 0x68; supply 4.5 to 5.5 V"
    },
    {
      "title": "Microchip AT24C32 datasheet",
      "section": "EEPROM on the Tiny RTC board at 0x50"
    }
  ]
}