/*#include <DHT.h>
#include <DHT_U.h>

#define pin 2

DHT dht(pin, DHT22);

#define r 3
#define g 4
#define b 5
void setup() 
{
  dht.begin();

  Serial.begin(9600);

  pinMode(r, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(b, OUTPUT);

   digitalWrite(b, LOW); 
   digitalWrite(g, LOW);
   digitalWrite(r, LOW); 
}

void loop() 
{
  int t, h; 

  t = dht.readTemperature(); 

  h = dht.readHumidity(); 

  Serial.print(t);
  Serial.print("  ");
  Serial.println(h);
  
  if(t < 20)
  {
    digitalWrite(b, HIGH); 
    digitalWrite(g, LOW);
    digitalWrite(r, LOW); 
  }
  else
  {
    digitalWrite(b, LOW); 
    digitalWrite(g, LOW);
    digitalWrite(r, HIGH); 
  }
  
}
*/

// C++ code
//
int t = 0;

int counter;

void setup()
{
  pinMode(4, OUTPUT);
  pinMode(A0, INPUT);
  pinMode(3, OUTPUT);
  pinMode(5, OUTPUT);

  for (counter = 0; counter < 10; ++counter) {
    digitalWrite(4, HIGH);
    delay(500); // Wait for 500 millisecond(s)
    digitalWrite(4, LOW);
    delay(500); // Wait for 500 millisecond(s)
  }
}

void loop()
{
  t = map(((analogRead(A0) - 20) * 3.04), 0, 1023, -40, 125);
  if (t < 20) {
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, HIGH);
  } else {
    digitalWrite(3, HIGH);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
  }
  delay(10); // Delay a little bit to improve simulation performance
}