Arduino Mega Pins 0 Serial 1 Serial 10 Ethernet 11 Ethernet 12 Ethernet 13 Ethernet 22 Klappenrelais 1 Eingang 24 DHT 22 (Climate Indoor) 26 Klappenrelais Terrasse 28 LCD 30 LCD 32 LCD 34 LCD 36 LCD (E) 38 LCD (RS) 44 Klappenrelais 2 Eingang 48 Lüfter