#include<Wire.h>
#include <LiquidCrystal_I2C.h>
#include "RTClib.h"
LiquidCrystal_I2C lcd(0x27,16,2);
RTC_DS1307 rtc;
int jam,menit,detik,hari,tanggal,bulan,tahun;
char temp [33];
char nama_hari[7][7] = {"Mingg","Senin","Sel","Rabu","Kamis","Jumat","Sabtu"};
void setup() {
Serial.begin(9600);
lcd.backlight();
lcd.init();
lcd.setCursor(4,0);
lcd.print("HELLO WORD");
rtc.begin();
Serial.println("program siap");
pinMode(19, OUTPUT);
}
void loop(){
DateTime now = rtc.now();
jam = now.hour();
menit = now.minute();
detik = now.second();
hari = now.dayOfTheWeek();
tanggal = now.day();
bulan = now.month();
tahun = now.year();
sprintf (temp, "jam %02d:%02d:%02d WIB", jam, menit, detik);
lcd.setCursor(0,0);
lcd.print(temp);
sprintf (temp, "%s,%02d-%02d-%d", nama_hari[hari],tanggal,bulan,tahun);
lcd.setCursor(0,1);
lcd.print(temp);
Serial.println(temp);
if ((jam==15)&&(menit==6)&&(detik==0))
{
lcd.print("sukmaaaaaaaaaaa");
tone(19,200);
}
if ((jam==15)&&(menit==6)&&(detik==50))
{
noTone(19);
}
}