#define TRIG 12
#define ECHO 14
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C LCD(0X27,16,2);

int tempo;
int dist;

void setup() {

  pinMode(TRIG, OUTPUT);
  pinMode(ECHO, INPUT);
  digitalWrite(TRIG, LOW);

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0,0);
  LCD.print("SENAI CFP 101");
  LCD.setCursor(0,1);
  LCD.print("TEC.MECATRONICA");
  delay(1000);
  LCD.clear();

}

void loop() {

  digitalWrite(TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG, LOW);

  tempo = pulseIn(ECHO, HIGH);
  dist = tempo * 0.017;
  
  LCD.setCursor(0,0);
  LCD.print(dist);
  LCD.print(" cm ");

}