Comunicacion 2 dispositivos I2C

International Español Software
5

Debería funcionar si no avisa

#include <Wire.h>
#include "RTClib.h"
RTC_DS1307 RTC;
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);  

void setup () {
    Serial.begin(9600);
    RTC.begin();
    lcd.begin(16, 2);
    //Retirar "//" para ajustar hora con PC
    //RTC.adjust(DateTime(__DATE__, __TIME__));
}
 
void loop () {
 DateTime now = RTC.now();
//Linea Uno
  lcd.setCursor(0,0);
     lcd.print("Hora:  ");
    lcd.print(now.hour(), DEC);
    lcd.print(':');
    lcd.print(now.minute(), DEC);
    lcd.print(':');
    lcd.print(now.second(), DEC);
    
 //Linea Dos    
  lcd.setCursor(0,1);
     lcd.print("Fecha: ");
    lcd.print(now.day(), DEC);
    lcd.print('/');  
    lcd.print(now.month(), DEC);
    lcd.print('/');
    lcd.print(now.year(), DEC);

    
    delay(1000);
}