int temperature=0;
int timer=0;

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin 7 as an output.
  pinMode(7, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  timer=0;
  delay(2000);                   // have a 2 second break before the cycle starts each time
  
while (timer<=50) {
  analogWrite(7, temperature);   // turn the LED on with the temperature/brightness increasing at 1deg/min (note we have equated 1min=1millisecond)
  timer=timer+5;
  temperature=temperature+5;
}
while (timer<=410) {
  analogWrite(7, temperature);   // turn the LED on with the temperature/brightness soaking at 70 degs for 6 hours. 
  timer=timer+5;
  }
while (timer<=435) {
  analogWrite(7, temperature);   // turn the LED on with the temperature/brightness  increasing at 2deg/min up to 120 deg C
  timer=timer+5;
  temperature=temperature+10;
}
while (timer<=495) {
  analogWrite(7, temperature);   // turn the LED on with the temperature/brightness soaking at 120 deg for 1 hour
  timer=timer+5;
}
while (timer<=555) {
  analogWrite(7, temperature);   // turn the LED on with the temperature/brightness decreasing at 1.67 degs per min
  timer=timer+5;
  temperature=temperature-(10/6*5);
}

}