Make Distance meter with Ultrasonic sensor Code

 MAKE DISTANCE METER

               Diagram

Makeing video link:https://bit.ly/3yQkJxv

                   CODE

  

#include <LiquidCrystal.h> 

LiquidCrystal lcd(1, 2, 4, 5, 6, 7); 

const int trigPin = 9;

const int echoPin = 10;

long duration;

int distanceCm, distanceInch;

void setup() {

  

lcd.begin(16,2); 

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);

}

void loop() {

  

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

duration = pulseIn(echoPin, HIGH);

distanceCm= duration*0.034/2;

distanceInch = duration*0.0133/2;

lcd.setCursor(0,0); 

lcd.print("Distance: "); 

lcd.print(distanceCm);

lcd.print("  cm");

delay(10);

lcd.setCursor(0,1);

lcd.print("Distance: ");

lcd.print(distanceInch);

lcd.print("inch");

delay(10);

}