void setup (){
    pinMode(RED_LED,OUTPUT);
    pinMode(SIREN_PIN,OUTPUT);
    pinMode(DOORS_PIN,OUTPUT);
    pinMode(MOTOR_PIN,OUTPUT);

}

void loop(){

    if (analogRead(A0) > MAXIMUM_WEIGHT){
        digitaWrite(RED_LED,HIGH);
        digitalWrite(SIREN_PIN,HIGH);
    }
    else {
        digitaWrite(RED_LED,LOW);
        digitalWrite(SIREN_PIN,LOW);
        digitaWrite(DOORS_PIN,HIGH);    //Close the doors.
        delay(1000);
        digitalWrite(MOTOR_PIN,HIGH);   //RUN The motor
    }

}