Sonoff POW - Dryer notification

cls

#Settings
$senzor = "" # For example http://192.168.1.1/api/power?apikey=53B8B55BEE6A4775" #Need to know POW's IP and API key

#Email Settings
$SMTPUsername = "" #for example somebody@seznam.cz
$SMTPServer = "" #for example smtp.seznam.cz
$SecureStringPassword =  Read-Host "password for email account please" -AsSecureString
$EmailCredential = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $SMTPUsername,$SecureStringPassword
$email1 = "" #emaill address or special email address with your phonenumber which you received from your operator I can set it in My T-Mobile App in Czech Republic
$counter = 5 #Higer value when script is started because of fake notification it will be changed to 0 after dryer will be started.
while (1){
    #Vypis poweru
    $power = Invoke-WebRequest -uri $senzor
    $actualtime = Get-Date -Format "yyyy-MM-dd HH:mm"
    write-host $actualtime $power.Content "W - counter: " $counter

    if([INT]$power.Content -lt 5){ #When power is less then 5W (standby value) it add 1 to counter
        $counter = $counter + 1
    }
    else{
        $counter = 0
    }

    if($counter -eq 3){ # If it is for three times less then 5W it goes to send e-mail notification
      write-host("I: E-mail has been sent") -ForegroundColor Yellow
      Send-MailMessage -From $SMTPUsername -To $email1 -Subject "Drying finished" -SmtpServer $SMTPServer -Credential $EmailCredential
    }

    Start-Sleep -Seconds 30 #Wait 30s
}