#include <LiquidCrystal_I2C.h>
#define trigpin 11
#define echopin 10
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Corrected the constructor
long duration, distance;
void setup() 
{
  lcd.init();
  lcd.clear();
  lcd.backlight();
  Serial.begin(9600);
  pinMode(trigpin, OUTPUT);
  pinMode(echopin, INPUT);
  lcd.setCursor(0, 0);  // Corrected setCursor case
  lcd.print("DISTANCE:");
}
void loop() 
{
  digitalWrite(trigpin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigpin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigpin, LOW);
  duration = pulseIn(echopin, HIGH);
  distance = (duration * 0.034 / 2);  // Corrected distance calculation
  lcd.setCursor(9, 0);  // Corrected setCursor case
  lcd.print(distance);
  lcd.print(" CM");
  Serial.print("Distance: ");
  Serial.println(distance);
  delay(1000);
}