Arduino LDR Işık Sensörü Kullanımı

Arduino LDR Işık Sensörü Kullanımı

// ************************
// **   Kemal İKİZOĞLU   **
// ************************

int ledler[] = {4, 5, 6, 7};
int led_sayisi = 4;
int ldr_pin = A0;
int deger = 0;

void setup()
{
  for (int i = 0 ; i < led_sayisi ; i++)
  {
    pinMode(ledler[i], OUTPUT);
  }
}

void loop()
{
  deger = analogRead(ldr_pin);
  if (deger > 0 && deger <= 200) //0-255
  {
    digitalWrite(ledler[0], HIGH);
    digitalWrite(ledler[1], LOW);
    digitalWrite(ledler[2], LOW);
    digitalWrite(ledler[3], LOW);
  }
  if (deger > 201 && deger <= 450) 
  {
    digitalWrite(ledler[0], HIGH);
    digitalWrite(ledler[1], HIGH);
    digitalWrite(ledler[2], LOW);
    digitalWrite(ledler[3], LOW);
  }
  if (deger > 451 && deger <= 650)  
  {
    digitalWrite(ledler[0], HIGH);
    digitalWrite(ledler[1], HIGH);
    digitalWrite(ledler[2], HIGH);
    digitalWrite(ledler[3], LOW);
  }
  if (deger > 651 && deger <= 750)  
  {
    digitalWrite(ledler[0], HIGH);
    digitalWrite(ledler[1], HIGH);
    digitalWrite(ledler[2], HIGH);
    digitalWrite(ledler[3], HIGH);
  }
  delay(100);
}