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NewSoftSerial BluetoothSerial(BT_SERIAL_RX_DIO, BT_SERIAL_RX_DIO); // RX, TX
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NewSoftSerial BluetoothSerial(BT_SERIAL_RX_DIO, BT_SERIAL_TX_DIO); // RX, TX
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NewSoftSerial BluetoothSerial(BT_SERIAL_RX_DIO, BT_SERIAL_RX_DIO); // RX, TX
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NewSoftSerial BluetoothSerial(BT_SERIAL_RX_DIO, BT_SERIAL_TX_DIO); // RX, TX