int solenoidPin = 3; //This is the output pin on the Arduino int air inflator = 4; const int transducer =5; void setup() { pinMode(solenoidPin, OUTPUT); //Sets that pin as an output pinMode(air inflator, OUTPUT); } void loop() { pressure=analogRead(transducer); kpa=pressure; mmhg = kpa / 0.133322387415; digitalWrite(air inflator, HIGH); digitalWrite(solenoidPin, HIGH); if (mmhg<199) { digitalWrite(air inflator, HIGH); digitalWrite(solenoidPin, HIGH); } else if(mmhg==200) { digitalWrite(air inflator, LOW); digitalWrite(solenoidPin, LOW); } }