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Reference > Libraries > Arduinoble > Ble.central

ArduinoBLE - BLE.central()

Query the central Bluetooth® Low Energy device connected.

Syntax

BLE.central()

Parameters

None

Returns

  • BLEDevice representing the central.

Example


  // listen for Bluetooth® Low Energy peripherals to connect:
  BLEDevice central = BLE.central();

  // if a central is connected to peripheral:
  if (central) {
    Serial.print("Connected to central: ");
    // print the central's MAC address:
    Serial.println(central.address());

    
  }