{
  "id": "ad8232-ecg",
  "name": "AD8232 ECG heart monitor",
  "category": "sensor",
  "measures": [
    "ecg",
    "heart rate"
  ],
  "pins": [
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "3V3",
      "role": "power",
      "notes": "Use 3V3 only (chip maximum 3.5 V)"
    },
    {
      "name": "OUTPUT",
      "role": "analog_out",
      "notes": "ECG signal. To an ADC1 pin (GPIO 32 to 39)"
    },
    {
      "name": "LO-",
      "role": "digital_out",
      "notes": "Leads-off detect -, HIGH when an electrode is loose"
    },
    {
      "name": "LO+",
      "role": "digital_out",
      "notes": "Leads-off detect +, HIGH when an electrode is loose"
    },
    {
      "name": "SDN",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "Shutdown, active LOW. Can be left unconnected"
    },
    {
      "name": "RA",
      "role": "passive",
      "notes": "Right arm electrode pad (also on the 3.5 mm jack)"
    },
    {
      "name": "LA",
      "role": "passive",
      "notes": "Left arm electrode pad (also on the 3.5 mm jack)"
    },
    {
      "name": "RL",
      "role": "passive",
      "notes": "Right leg electrode pad (also on the 3.5 mm jack)"
    }
  ],
  "bus": "analog",
  "voltage": "3.3",
  "model": {
    "shape": "module",
    "size": [
      36,
      28,
      5
    ],
    "color": "#B22222"
  },
  "keywords": [
    "ad8232",
    "ecg",
    "ekg",
    "heart",
    "elettrocardiogramma",
    "battito",
    "cuore"
  ],
  "sources": [
    {
      "title": "Analog Devices AD8232 datasheet",
      "section": "Supply 2.0 to 3.5 V; leads-off detection outputs LOD+ and LOD-"
    },
    {
      "title": "SparkFun AD8232 hookup guide",
      "section": "Pins GND, 3.3v, OUTPUT, LO-, LO+, SDN; pads RA, LA, RL. Not a medical device"
    }
  ]
}