/*Write a program to interface any analog (pollution)
 sensor and display 
the values read on serial monitore*/
int sensorvalue;
int digitalvalue;
void setup() {
  Serial.begin(9600);
  pinMode(13,OUTPUT);
  pinMode(3, INPUT);// put your setup code here, to run once:

}

void loop() {
  sensorvalue=analogRead(0);
  digitalvalue=digitalRead(2);
  if(sensorvalue>400){
    digitalWrite(13, HIGH);
  }
  else{
    digitalWrite(13, LOW);
    Serial.println(sensorvalue,DEC);
    Serial.println(digitalvalue,DEC);
    delay(1000);
  }
  // put your main code here, to run repeatedly:

}