Code for Workshop 3

double val;
void setup() {
  Serial.begin(9600);     //  setup serial
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
 
}
void loop() {
  val = analogRead(A0)-123;    // read analog input pin 3
  float Temp=CtoF(val);
  Serial.println(Temp);    // print to screen
 
  if (Temp > 85) {
    digitalWrite(13,HIGH);
    digitalWrite(12,HIGH);
  }else{
    digitalWrite(13,LOW);
    digitalWrite(12,LOW);
  }
 
  delay(1000);
 
}

double FtoC(double F)
{
   return ((F-32)*5)/9;
}
double CtoF(double C)
{
  return ((C*9)/5) + 32;
}