{
  "id": "dfplayer-mini",
  "name": "DFPlayer Mini MP3 player",
  "category": "output",
  "pins": [
    {
      "name": "VCC",
      "role": "power",
      "notes": "3.2 to 5 V"
    },
    {
      "name": "RX",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "UART: the part receives data here. Connect to an ESP32 TX pin through a 1 kΩ resistor"
    },
    {
      "name": "TX",
      "role": "digital_out",
      "notes": "UART: the part sends data here. Connect to an ESP32 RX pin (9600 baud)"
    },
    {
      "name": "DAC_R",
      "role": "passive",
      "notes": "Line out right"
    },
    {
      "name": "DAC_L",
      "role": "passive",
      "notes": "Line out left"
    },
    {
      "name": "SPK_1",
      "role": "passive",
      "notes": "Speaker + (3 W max)"
    },
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "SPK_2",
      "role": "passive",
      "notes": "Speaker -"
    },
    {
      "name": "IO_1",
      "role": "passive"
    },
    {
      "name": "GND2",
      "role": "ground"
    },
    {
      "name": "IO_2",
      "role": "passive"
    },
    {
      "name": "ADKEY_1",
      "role": "passive"
    },
    {
      "name": "ADKEY_2",
      "role": "passive"
    },
    {
      "name": "USB+",
      "role": "passive"
    },
    {
      "name": "USB-",
      "role": "passive"
    },
    {
      "name": "BUSY",
      "role": "digital_out",
      "notes": "LOW while playing"
    }
  ],
  "bus": "gpio",
  "voltage": "3.3-5",
  "model": {
    "shape": "module",
    "size": [
      41.6,
      20.5,
      8
    ],
    "color": "#B22222"
  },
  "keywords": [
    "dfplayer",
    "mp3",
    "audio",
    "sound",
    "speaker",
    "lettore mp3",
    "musica"
  ],
  "sources": [
    {
      "title": "DFRobot DFPlayer Mini manual",
      "section": "Pin map 1 VCC to 16 BUSY; UART 9600 baud"
    }
  ]
}