{
  "id": "lcd1602-i2c",
  "name": "LCD 16x2 with I2C backpack",
  "category": "display",
  "pins": [
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "VCC",
      "role": "power",
      "notes": "Needs 5 V for good contrast: use VIN"
    },
    {
      "name": "SDA",
      "role": "i2c_sda",
      "notes": "The backpack pulls SDA up to 5 V. Usually works; a level shifter is safer"
    },
    {
      "name": "SCL",
      "role": "i2c_scl",
      "notes": "The backpack pulls SCL up to 5 V. Usually works; a level shifter is safer"
    }
  ],
  "bus": "i2c",
  "addresses": [
    "0x20",
    "0x21",
    "0x22",
    "0x23",
    "0x24",
    "0x25",
    "0x26",
    "0x27",
    "0x38",
    "0x39",
    "0x3A",
    "0x3B",
    "0x3C",
    "0x3D",
    "0x3E",
    "0x3F"
  ],
  "voltage": "5",
  "pullupsOnBoard": true,
  "model": {
    "shape": "module",
    "size": [
      80,
      36,
      20
    ],
    "color": "#2E6FD8"
  },
  "keywords": [
    "lcd1602",
    "lcd",
    "16x2",
    "i2c backpack",
    "pcf8574",
    "hd44780",
    "display",
    "schermo"
  ],
  "sources": [
    {
      "title": "NXP PCF8574 / PCF8574A datasheet",
      "section": "Address 0x20 to 0x27 (PCF8574T) or 0x38 to 0x3F (PCF8574AT) via A0-A2; most backpacks ship as 0x27 or 0x3F"
    },
    {
      "title": "Hitachi HD44780U datasheet",
      "section": "Supply 5 V for standard character LCDs"
    }
  ]
}