{
  "id": "hall-a3144",
  "name": "A3144 hall effect switch",
  "category": "sensor",
  "measures": [
    "magnetic field"
  ],
  "pins": [
    {
      "name": "VCC",
      "role": "power",
      "notes": "Left leg, printed face towards you. Needs at least 4.5 V: use VIN"
    },
    {
      "name": "GND",
      "role": "ground",
      "notes": "Middle leg"
    },
    {
      "name": "OUT",
      "role": "digital_out",
      "notes": "Right leg. Open collector: use INPUT_PULLUP (to 3.3 V), never a pull-up to 5 V"
    }
  ],
  "bus": "gpio",
  "voltage": "5",
  "model": {
    "shape": "chip",
    "size": [
      8.6,
      3,
      3
    ],
    "color": "#1A1A1A"
  },
  "keywords": [
    "a3144",
    "hall",
    "magnet",
    "magnetic switch",
    "sensore hall",
    "magnete"
  ],
  "sources": [
    {
      "title": "Allegro A3141/2/3/4 datasheet",
      "section": "Pin 1 supply, 2 ground, 3 output (open collector); supply 4.5 to 24 V"
    }
  ]
}