$secpasswd = ConvertTo-SecureString "DEINPASSWORT" -AsPlainText -Force 
$mycreds = New-Object System.Management.Automation.PSCredential ("Administrator", $secpasswd)
$wmio = Get-WmiObject win32_operatingsystem -ComputerName '192.168.4.10' -Credential $mycreds

#FreeSpace K
$freespace_k_raw = Get-WmiObject Win32_LogicalDisk -ComputerName 192.168.4.10 -Credential $mycreds -Filter "DeviceID='K:'" | Foreach-Object {$_.FreeSpace}

#Anzeige in GB
$freespace_k_GB = $freespace_k_raw / 1024 / 1024 / 1024
$freespace_k_GB = [math]::Round($freespace_k_GB,2)
if($freespace_k_raw -lt 1073741824) {
$freespace_k = $freespace_k_raw / 1024 / 1024 / 1024
$speichereinheit = "GB"}
#Anzeige in TB
if($freespace_k_raw -gt 1073741824) {
$freespace_k = $freespace_k_raw / 1024 / 1024 / 1024 / 1024
$speichereinheit = "TB"}
#Werte runden
$freespace_k = [math]::Round($freespace_k,3)


Invoke-WebRequest -Uri http://192.168.4.30:8087/set/javascript.0.ressourcen.winnas_freespace_k?value=$freespace_k | Out-Null