// LABORATORY SUPPLEMENTARY ACTIVITY 1  //
//         CARRANZA, ZYRABEL            //
//          COSME, AIRA JANE            //
//         SEQUENA, SEVERINO            //
//           MAGAT, ANGELO              //
//          VIDAL, WINNARD              //
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
const int trigPin = 3;
const int echoPin = 2;
long duration;
int distance;
void setup() {
lcd.begin(16,2); // Initializes the interface to the LCD display
lcd.backlight();
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
Serial.begin(9600);
}
void loop() {
lcd.clear();
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration * 0.0340 / 2;
Serial.println("Distance");
Serial.println(distance);
lcd.setCursor(0, 0);
lcd.print("Distance: ");
lcd.print(distance);
lcd.print("cm");
delay(1000);
}