U Turn accident prevention

 

#define TRIG1 6   // Trigger pin for Sensor 1

#define ECHO1 7   // Echo pin for Sensor 1

#define TRIG2 8 // Trigger pin for Sensor 2

#define ECHO2 9   // Echo pin for Sensor 2

#define LED1 10   // LED for Sensor 1

#define LED2 11   // LED for Sensor 2

#define DETECTION_DISTANCE 30 // Distance threshold in cm

void setup() {

  pinMode(TRIG1, OUTPUT);

  pinMode(ECHO1, INPUT);

  pinMode(TRIG2, OUTPUT);

  pinMode(ECHO2, INPUT);

  pinMode(LED1, OUTPUT);

  pinMode(LED2, OUTPUT);

 

  Serial.begin(9600);

}

void loop() {

  int distance1 = getDistance(TRIG1, ECHO1);

  int distance2 = getDistance(TRIG2, ECHO2);

  Serial.print("Sensor 1 Distance: ");

  Serial.print(distance1);

  Serial.print(" cm, Sensor 2 Distance: ");

  Serial.print(distance2);

  Serial.println(" cm");

  // Turn LED1 ON if Sensor 1 detects an object

  if (distance1 > 0 && distance1 <= DETECTION_DISTANCE) {

    digitalWrite(LED1, HIGH);

  } else {

    digitalWrite(LED1, LOW);

  }

  // Turn LED2 ON if Sensor 2 detects an object

  if (distance2 > 0 && distance2 <= DETECTION_DISTANCE) {

    digitalWrite(LED2, HIGH);

  } else {

    digitalWrite(LED2, LOW);

  }

  delay(500);

}

// Function to measure distance using an ultrasonic sensor

int getDistance(int trigPin, int echoPin) {

  long duration;

 

  digitalWrite(trigPin, LOW);

  delayMicroseconds(2);

  digitalWrite(trigPin, HIGH);

  delayMicroseconds(10);

  digitalWrite(trigPin, LOW);

 

  duration = pulseIn(echoPin, HIGH);

  int distance = duration * 0.034 / 2; // Convert to cm

  return distance;

}