Arduino Ders 11: Park Sensörü 1

Arduino geliştirme kartı ile park sensörü yaptık. Bunun için mesafe sensörü kullandık.

Malzemeler:

• Arduino Uno
• Ultrasonik Mesafe Sensörü
• 4 adet LED
• Buzzer

int trigger = 13;
int echo = 12;
int led1 = 8;
int led2 = 9;
int led3 = 10;
int led4 = 11;
int buzzer = 7;
int sure ;
int mesafe ;
 
void setup() {
  pinMode(led1 , OUTPUT);
  pinMode(led2 , OUTPUT);
  pinMode(led3 , OUTPUT);
  pinMode(led4 , OUTPUT);
  pinMode(buzzer , OUTPUT);
  pinMode(trigger , OUTPUT);
  pinMode(echo , INPUT);
}
 
void loop()
{
  digitalWrite(trigger , HIGH);
  delayMicroseconds(1000);
  digitalWrite(trigger , LOW);
  sure = pulseIn(echo , HIGH);
  mesafe = (sure / 2) / 29.1;
  if (mesafe <= 10)
  {
    digitalWrite(led1 , HIGH);
    digitalWrite(led2 , HIGH);
    digitalWrite(led3 , HIGH);
    digitalWrite(led4 , HIGH);
    digitalWrite(buzzer , HIGH);
    delay(200);
    digitalWrite(buzzer , LOW);
  }
 
  else if (mesafe <= 30)
  {
    digitalWrite(led1 , HIGH);
    digitalWrite(led2 , HIGH);
    digitalWrite(led3 , HIGH);
    digitalWrite(led4 , LOW);
    digitalWrite(buzzer , HIGH);
    delay(300);
    digitalWrite(buzzer , LOW);
  }
  else if (mesafe <= 50)
  {
    digitalWrite(led1 , HIGH);
    digitalWrite(led2 , HIGH);
    digitalWrite(led3 , LOW);
    digitalWrite(led4 , LOW);
    digitalWrite(buzzer , HIGH);
    delay(400);
    digitalWrite(buzzer , LOW);
  }
  else if (mesafe <= 80) 
  {
    digitalWrite(led1 , HIGH); 
    digitalWrite(led2 , LOW); 
    digitalWrite(led3 , LOW); 
    digitalWrite(led4 , LOW); 
    digitalWrite(buzzer , HIGH); 
    delay(500); 
    digitalWrite(buzzer , LOW); 
  }
else
  {
    digitalWrite(led1 , LOW); 
    digitalWrite(led2 , LOW); 
    digitalWrite(led3 , LOW); 
    digitalWrite(led4 , LOW); 
    digitalWrite(buzzer , LOW); 
  }
}