#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#define DS1307_ADDRESS 0x68
LiquidCrystal_I2C lcd(0x27, 20, 2); 
void setup() {
 Serial.begin(115200);
 Serial.println("Hello");
 Wire.begin();
 lcd.init();
 lcd.backlight();
 lcd.print("Time");
 delay(1000);
 }
 void loop() {
 Wire.beginTransmission(DS1307_ADDRESS);
 Wire.write(0);
 Wire.endTransmission();
 if (Wire.requestFrom(DS1307_ADDRESS, 7) == 7) {
 lcd.setCursor(0,1);
 lcd.print(bcdToDec(Wire.read()));
 lcd.print(" seconds");
 lcd.setCursor(0,2);
 lcd.print(bcdToDec(Wire.read()));
 lcd.print(" minutes ");
 lcd.setCursor(0,3);
 lcd.print(bcdToDec(Wire.read()));
 lcd.print(" hours ");
 }
 else {
 Serial.println(F("Failed to get RTC date and time"));
 };
 delay(1000);
 }
 byte bcdToDec(byte val) {
 return ( (val/16*10) + (val%16) );
 }