Added switch-shelly1.ps1

Scripts/switch-shelly1.ps1

@@ -0,0 +1,27 @@
+#!/snap/bin/powershell
+
+# Syntax:       ./switch-shelly1.ps1 [<IP addr>] [<turn mode>] [<timer>]
+# Description:	switches a Shelly1 device in the local network
+# Author:	Markus Fleschutz
+# Source:	github.com/fleschutz/PowerShell
+# License:	CC0
+
+param([string]$IPaddr, [string]$TurnMode, [int]$Timer)
+if ($IPaddr -eq "" ) {
+	$IPaddr = read-host "Enter IP address of Shelly1 device"
+}
+if ($TurnMode -eq "" ) {
+	$TurnMode = read-host "Enter turn mode (on/off/toggle)"
+}
+if ($Timer -eq 0 ) {
+	$Timer = read-host "Enter timer (0=endless)"
+}
+
+try {
+	$URL = "http://$($IPaddr)/relay/0?turn=$($TurnMode)&timer=$($Timer)"
+	$result = Invoke-RestMethod $URL
+
+	write-host "OK - switched Shelly1 device at $IPaddr to $TurnMode for $Timer second(s)"
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1