Question

servo car with ultrasonic `sensor
code with arduino

Answer 1

Answer:

#include <Servo.h>

Servo servo1;

int trigPin = 9;

int echoPin = 8;

long distance;

long duration;

 

void setup()  

{

servo1.attach(7);  

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);// put your setup code here, to run once:

}

 

void loop() {

 ultra();

 servo1.write(0);

 if(distance <= 10){

 servo1.write(90);

 }

}

 

void ultra(){

 digitalWrite(trigPin, LOW);

 delayMicroseconds(2);

 digitalWrite(trigPin, HIGH);

 delayMicroseconds(10);

 digitalWrite(trigPin, LOW);

 duration = pulseIn(echoPin, HIGH);

 distance = duration*0.034/2;

 }

hope  this    helps        

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Answer 2

Answer:

Servo servo1;

int trigPin = 9;

int echoPin = 8;

long distance;

long duration;

 

void setup()  

{

servo1.attach(7);  

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);// put your setup code here, to run once:

}

 

void loop() {

 ultra();

 servo1.write(0);

 if(distance <= 10){

 servo1.write(90);

 }

}

 

void ultra(){

 digitalWrite(trigPin, LOW);

 delayMicroseconds(2);

 digitalWrite(trigPin, HIGH);

 delayMicroseconds(10);

 digitalWrite(trigPin, LOW);

 duration = pulseIn(echoPin, HIGH);

 distance = duration*0.034/2;

 }