Hi hoppi1978,

was hältst Du von dieser Lösung?

Code:
Config Portc.0 = Output 
Relaisvor Alias Portc.0 

Config Pind.1 = Input 
Tasterd1 Alias Pind.1 
Portd.1 = 1 

Relaisvor = 0

Do 
  If Tasterd1 = 0 Then 
    Waitms 100 
    Relaisvor = 1 - Relaisvor
  End If 

Loop
Gruß,
Lev