var transport = NettyTcpClientTransport.create(cfg -> {
  cfg.hostname = "172.17.0.2";
  cfg.port = 502;
});

var client = ModbusTcpClient.create(transport);
client.connect();

ReadHoldingRegistersResponse response = client.readHoldingRegisters(
    1,
    new ReadHoldingRegistersRequest(0, 10)
);

System.out.println("Response: "   response);

var transport = SerialPortClientTransport.create(cfg -> {
  cfg.serialPort = "/dev/ttyUSB0";
  cfg.baudRate = 115200;
  cfg.dataBits = 8;
  cfg.parity = SerialPort.NO_PARITY;
  cfg.stopBits = SerialPort.ONE_STOP_BIT;
});

var client = ModbusRtuClient.create(transport);
client.connect();

client.readHoldingRegisters(
    1,
    new ReadHoldingRegistersRequest(0, 10)
);

System.out.println("Response: "   response);