Changes
/* Detect COM port of fit-statUSB */
DTR circuit: OFF
RTS circuit: OFF
=== PowerShell ===
To set fit-statUSB color to red using PowerShell
powershell "$fitstatUSB= new-Object System.IO.Ports.SerialPort COM10; $fitstatUSB.open(); $fitstatUSB.WriteLine('#FF0000'); $fitstatUSB.Close()"