Added comment-based help

Scripts/simulate-presence.ps1

@@ -1,19 +1,17 @@
 #!/snap/bin/powershell
+<#
+.SYNTAX         ./simulate-presence.ps1 [<IP-address>]
+.DESCRIPTION	simulates the human presence against burglars
+.LINK		https://github.com/fleschutz/PowerShell
+.NOTES		Author:	Markus Fleschutz / License: CC0
+#>
 
-# Syntax:       ./simulate-presence.ps1 
-# Description:	simulates the human presence against burglars
-# Author:	Markus Fleschutz
-# Source:	github.com/fleschutz/PowerShell
-# License:	CC0
+param([string]IPaddress)
 
-function SwitchLight {
+for ([int]$i = 0; $i -lt 1000; $i++) {
+	./switch-shelly1 $IPaddress on 0
+	sleep 60
+	./switch-shelly1 $IPaddress off 0
+	sleep 10
 }
-
-
-
-SwitchLight 1
-sleep 60
-SwitchLight 0
-sleep 10
-
 exit 0