park sensörü

const int trigger_pin = 12;

const int echo_pin = 13;

const int buzzer = 2;

const int mled = 3;

const int yled = 4;

const int sled = 5;

const int kled = 6;

int sure;

int mesafe;

void setup() {

pinMode(kled, OUTPUT);

pinMode(sled, OUTPUT);

pinMode(yled, OUTPUT);

pinMode(buzzer, OUTPUT);

pinMode(trigger_pin, OUTPUT);

pinMode(echo_pin, INPUT);

Serial.begin(9600);

}

void loop()

{ digitalWrite(trigger_pin, HIGH);

delayMicroseconds(1000);

digitalWrite(trigger_pin, LOW);

sure = pulseIn(echo_pin, HIGH);

mesafe = (sure / 2) / 28.5;

if (mesafe <= 10)

{

digitalWrite(kled, HIGH);

digitalWrite(buzzer, HIGH);

delay(50);

digitalWrite(kled, LOW);

digitalWrite(buzzer, LOW);

delay(250);

}

else if (mesafe <= 25)

{

digitalWrite(sled, HIGH);

digitalWrite(buzzer, HIGH);

delay(50);

digitalWrite(sled, LOW);

digitalWrite(buzzer, LOW);

delay(500);

}

else if (mesafe <= 50)

{

digitalWrite(yled, HIGH);

digitalWrite(buzzer, HIGH);

delay(50);

digitalWrite(yled, LOW);

digitalWrite(buzzer, LOW);

delay(750);

}

else

{

digitalWrite(mled, HIGH);

delay(1000);

digitalWrite(mled, LOW);

delay(1000);

}

}