Set Power Scheme based on HDMI monitor connected or not, to be used with scheduler

SetPowerSchemeFromHDMI.ps1

# Define the GUIDs for the power schemes
$HDMIScheme = "10c2d095-ea2f-46c9-8f8f-ce1e5a2d2e4d"
$normalScheme = "381b4222-f694-41f0-9685-ff5bb260df2e"

# Function to set the power scheme
function Set-PowerScheme {
    param (
        [string]$schemeGuid
    )
    powercfg -setactive $schemeGuid
}

# Get the list of connected monitors using
$monitors = Get-CimInstance -Namespace root\wmi -ClassName WmiMonitorBasicDisplayParams
# $monitors = Get-PnpDevice -class "monitor"


# Check if any monitor is connected via HDMI
$hdmiConnected = $false

foreach ($monitor in $monitors) {
    # $monitorID = $monitor.InstanceId
	$monitorID = $monitor.InstanceName.Split("_")[0]
    # Using PnPDevice to check if it is an HDMI connection
    $pnpDevice = Get-PnpDevice -InstanceId $monitorID

    if ($pnpDevice.FriendlyName -match "HDMI") {
        $hdmiConnected = $true
        break
	}
}

if ($hdmiConnected) {
    Set-PowerScheme -schemeGuid $HDMIScheme
} else {
    Set-PowerScheme -schemeGuid $normalScheme
}