{
  "id": "hc-05-bluetooth",
  "name": "HC-05 Bluetooth serial module",
  "category": "output",
  "pins": [
    {
      "name": "EN",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "KEY/EN: HIGH at power-up enters AT command mode. Leave unconnected normally"
    },
    {
      "name": "VCC",
      "role": "power",
      "notes": "Needs 3.6 to 6 V: use VIN"
    },
    {
      "name": "GND",
      "role": "ground"
    },
    {
      "name": "TXD",
      "role": "digital_out",
      "notes": "UART: the part sends data here. Connect to an ESP32 RX pin (3.3 V level)"
    },
    {
      "name": "RXD",
      "role": "digital_in",
      "needsOutput": true,
      "notes": "UART: the part receives data here. Connect to an ESP32 TX pin"
    },
    {
      "name": "STATE",
      "role": "digital_out",
      "notes": "HIGH when connected, optional"
    }
  ],
  "bus": "gpio",
  "voltage": "5",
  "model": {
    "shape": "module",
    "size": [
      37,
      16,
      5
    ],
    "color": "#1F4FA8"
  },
  "keywords": [
    "hc-05",
    "bluetooth",
    "serial",
    "spp",
    "wireless",
    "seriale"
  ],
  "sources": [
    {
      "title": "HC-05 Bluetooth module datasheet",
      "section": "Pins EN/KEY, VCC, GND, TXD, RXD, STATE; UART at 3.3 V levels"
    }
  ]
}