PowerShell/Scripts/switch-shelly1.ps1

#!/bin/powershell
<#
.SYNTAX         ./switch-shelly1.ps1 [<host>] [<turn-mode>] [<timer>]
.DESCRIPTION	switches a Shelly1 device in the local network
.LINK		https://github.com/fleschutz/PowerShell
.NOTES		Author:	Markus Fleschutz / License: CC0
#>

param($Host = "", $TurnMode = "", [int]$Timer = -999)

if ($Host -eq "") {
	$Host = read-host "Enter hostname or IP address of the Shelly1 device"
}
if ($TurnMode -eq "") {
	$TurnMode = read-host "Enter turn mode (on/off/toggle)"
}
if ($Timer -eq -999) {
	[int]$Timer = read-host "Enter timer in seconds (0=endless)"
}

try {
	$Result = Invoke-RestMethod "http://$($Host)/relay/0?turn=$($TurnMode)&timer=$($Timer)"
	
	write-host -foregroundColor green "Done - switched Shelly1 device at $Host to $TurnMode for $Timer second(s)"
	exit 0
} catch {
	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}