{
  "id": "lcd1602-parallel",
  "name": "LCD 16x2 (parallel, 16 pins)",
  "category": "display",
  "pins": [
    {
      "name": "VSS",
      "role": "ground"
    },
    {
      "name": "VDD",
      "role": "power",
      "notes": "Needs 5 V: use VIN"
    },
    {
      "name": "V0",
      "role": "passive",
      "notes": "Contrast: to the middle of a 10 kΩ potentiometer"
    },
    {
      "name": "RS",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Register select"
    },
    {
      "name": "RW",
      "role": "ground",
      "notes": "Tie to GND (write only), so the LCD never drives 5 V into the ESP32"
    },
    {
      "name": "E",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Enable"
    },
    {
      "name": "D0",
      "role": "passive",
      "notes": "Not used in 4-bit mode"
    },
    {
      "name": "D1",
      "role": "passive",
      "notes": "Not used in 4-bit mode"
    },
    {
      "name": "D2",
      "role": "passive",
      "notes": "Not used in 4-bit mode"
    },
    {
      "name": "D3",
      "role": "passive",
      "notes": "Not used in 4-bit mode"
    },
    {
      "name": "D4",
      "role": "digital_in",
      "needsOutput": true
    },
    {
      "name": "D5",
      "role": "digital_in",
      "needsOutput": true
    },
    {
      "name": "D6",
      "role": "digital_in",
      "needsOutput": true
    },
    {
      "name": "D7",
      "role": "digital_in",
      "needsOutput": true
    },
    {
      "name": "A",
      "role": "passive",
      "notes": "Backlight anode: to 5 V (most modules have a resistor)"
    },
    {
      "name": "K",
      "role": "passive",
      "notes": "Backlight cathode: to GND"
    }
  ],
  "bus": "gpio",
  "voltage": "5",
  "model": {
    "shape": "module",
    "size": [
      80,
      36,
      13
    ],
    "color": "#2E6FD8"
  },
  "keywords": [
    "lcd1602",
    "lcd",
    "16x2",
    "hd44780",
    "parallel",
    "display",
    "schermo"
  ],
  "sources": [
    {
      "title": "Hitachi HD44780U datasheet",
      "section": "Pin functions RS, R/W, E, DB0-DB7; 4-bit interface"
    },
    {
      "title": "Generic 1602 LCD module datasheet",
      "section": "Pin 1 VSS to 16 K"
    }
  ]
}