PowerShell, Visual Basic PowerShell Add-Type -AssemblyName Microsoft.VisualBasic [Microsoft.VisualBasic.Devices.Computer]::new().Ports.OpenSerialPort("COM1").WriteLine("HOLA") 123 Add-Type -AssemblyName Microsoft.VisualBasic [Microsoft.VisualBasic.Devices.Computer]::new().Ports.OpenSerialPort("COM1").WriteLine("HOLA")