#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0X27,16,2);
int time;
int distance;
int trigpin = 8;
int echopin = 9;
void setup() {
// put your setup code here, to run once:
pinMode(trigpin,OUTPUT);
pinMode(echopin, INPUT);
lcd.init();
lcd.backlight();
lcd.begin(16,2);
lcd.setCursor(0,0);
lcd.print("Distance");
delay(1000);
}
void loop() {
// put your main code here, to run repeatedly:
lcd.clear();
digitalWrite(trigpin, LOW);
digitalWrite(trigpin, HIGH);
delayMicroseconds(20);
digitalWrite(trigpin, LOW);
time = pulseIn(echopin,HIGH);
distance = 0.0172 * time;
lcd.setCursor(5,0);
lcd.print(distance);
lcd.print("cm");
delay(1000);
}