int ctrlPump1 = 5; int ctrlPump2 = 6; int ctrlHeat1 = 7; int ctrlHeat2 = 8; int pump = 9; int heat = 10; void setup() { pinMode(ctrlPump1, INPUT); pinMode(ctrlPump2, INPUT); pinMode(ctrlHeat1, INPUT); pinMode(ctrlHeat2, INPUT); pinMode(pump, OUTPUT); pinMode(heat, OUTPUT); } void loop() { if((digitalRead(ctrlPump1) == HIGH) && digitalRead(ctrlPump2)) digitalWrite(pump, LOW); else digitalWrite(pump, HIGH); if((digitalRead(ctrlHeat1) == HIGH) && digitalRead(ctrlHeat2)) digitalWrite(heat, LOW); else digitalWrite(heat, HIGH); delay(1000); }