Code And Circuit Diagram for smart car Barrier/AKSHIT INNOVATION LAB

//AKSHIT INNOVATION LAB

//https://www.youtube.com/channel/UCvqrugW02HjKbGUE2bw0muw

#include <Servo.h> //servo library

Servo servo;

int trigPin = 12;

int echoPin = 11;

int servoPin = 10;

long duration, dist, average;

long aver[3];

void setup() {

servo.attach(servoPin);

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);

servo.write(0);

delay(1000);

servo.detach();

}

void measure() {

digitalWrite(trigPin, LOW);

digitalWrite(12,HIGH);

delayMicroseconds(5);

digitalWrite(trigPin, HIGH);

delayMicroseconds(15);

digitalWrite(trigPin, LOW);

pinMode(echoPin, INPUT);

duration = pulseIn(echoPin, HIGH);

dist = (duration/2) / 29.1;

}

void loop() {

for (int i=0;i<=2;i++) {

measure();

aver[i]=dist;

delay(50);

}

dist=(aver[0]+aver[1]+aver[2])/3; //average distance by 3 measurements

if ( dist<30 ) {

//if hand on the distance 10...30 cm

servo.attach(servoPin);

delay(1);

servo.write(360);

servo.write(360);

servo.attach(servoPin);

delay(5000);

delay(1);

servo.write(360);

servo.write(360);

delay(5000); //wait 5 seconds

servo.write(0);

delay(1000);

servo.write(1);

digitalWrite(8,HIGH);

}

}