The set id can also be specified when using daisy-chaining. On Linux systems, this will usually be either /dev/ttyS0, /dev/ttyUSB0 or /dev/ttyACM0 (or a higher number than 0 if multiple devices are present). It is necessary to specify the serial port device used for communication. No discovery supported, manual configuration is required. LG 47LK520 with a serial hat (opens new window) on a Raspberry Pi.LG 55UF772V (with this cable adapter (opens new window)).The serial port may be marked "Service only". Some TVs may have an alternative port type instead of a standard DB9 connector, and may thus require an adapter.
The LG serial command set appears to be similar on many models (, ), but not all commands will work on all models. The protocol supports daisy-chaining of serial devices. Supports one TV or projector per thing, also corresponding to a unique serial port. See below for a list of supported channels.
just adds to the complexity and efficiency, and reduces clarity.This binding can send some commands typically used by LG LCD TVs (and some used by projectors). "" -f $Manufacturer,$Name,$Serial | Out-File $LogFileĪdding a "Decode" function in place of a copy/paste of the string ::ASCII.GetString($_. $Serial = ::ASCII.GetString($_.SerialNumberID).Trim(0x00) $Name = ::ASCII.GetString($_.UserFriendlyName).Trim(0x00) $Manufacturer = ::ASCII.GetString($_.ManufacturerName).Trim(0x00) Get-WmiObject WmiMonitorID -Namespace root\wmi | The whole set of code in the original poster's question can be replaced by this: $LogFile = "c:\Junk\monitors.txt" It will remove items within the byte array representation of the string that match the value of zero, not just the trailing items that match. The "-notmatch" operator is acting on the individual elements of the byte array, not on the entire value. It's an object of type byte (an array of bytes). The "SerialNumberID" property is not a string.
I think the problem is the lack of understanding about what the Get-CimInstance WmiMonitorID -Namespace root\wmi).SerialNumberID -notmatch 0 is actually doing.
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