Arduino Uno R3 temperature sensor + buzzer sample code. Read more here: http://alif.my/2013/10/project-2-temperature-sensor-buzzer/

temperatureSensor

float temp;
int tempPin = 0;
int buzzer=8; //Connect the buzz positive Pin to Digital Pin 8 

void setup()
{
  pinMode(buzzer,OUTPUT); //Set Pin Mode as output
  Serial.begin(9600);
  beep(500);
  
}

void loop()
{
  //digitalWrite(buzzer,LOW);
  
  temp = analogRead(tempPin);
  temp = temp * 0.48828125;
  
  if(temp > 35) { beep(50); beep(50); }
  
  Serial.print("TEMPRATURE = ");
  Serial.print(temp);
  Serial.print(" Celcius");
  Serial.println();
  delay(1000);
}

void beep(unsigned char delayms){
  digitalWrite(buzzer,HIGH);
  delay(delayms);          // wait for a delayms ms
  digitalWrite(buzzer,LOW);
  delay(delayms);          // wait for a delayms ms   
}  

How can i make this code interact with Matlab? I know I can create a GUI but i am not sure what is the KEY word or code to make this happen