int z=0; int y=545;//value to start launch--capacitors charged void setup () { pinMode (2,OUTPUT);//relay control pinMode (4,OUTPUT);//relay control digitalWrite(2,HIGH);//relay not energized digitalWrite(4,HIGH);//relay not energized delay(2000); } void loop () { z= analogRead (A0);//read voltage if (z>y) { digitalWrite(2,LOW);//reverse polarity to ufo, ufo liftoff digitalWrite(4,LOW); delay(10000);//get ufo off pad digitalWrite(2,HIGH); digitalWrite(4,HIGH); delay(150000);//ufo should be back on pad } }