#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
#include "RTClib.h"
RTC_DS1307 rtc;
int jam,menit,detik,hari,tanggal,bulan,tahun;
char buf [33];
char nama_hari[7][7] = {"Minggu","Senin","Sel","Rabu","Kamis","Jumat","Sabtu"};
int alarm_jam1=04;
int alarm_menit1=27;

int alarm_jam2=11;
int alarm_menit2=57;

int alarm_jam3=15;
int alarm_menit3=24;

int alarm_jam4=18;
int alarm_menit4=12;

int alarm_jam5=19;
int alarm_menit5=28;

void setup() {
  Serial.begin(9600);
  pinMode(10, OUTPUT);
  lcd.init();   
  lcd.backlight();  
  rtc.begin();    

  lcd.setCursor(0,0);
  lcd.print("    kelompok B1    ");
  lcd.setCursor(0,1);
  lcd.print("  TELEKOMUNIKASI 3B  ");
  delay(1000);
  lcd.clear();

}

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 (buf, "%s,%02d-%02d-%d", nama_hari[hari],tanggal,bulan,tahun);
  lcd.setCursor(0,0);
  lcd.print(buf);
  Serial.println(buf);
  sprintf (buf, "  %02d:%02d:%02d WIB", jam, menit, detik);
  lcd.setCursor(0,1);
  lcd.print(buf);
  Serial.println(buf);
  delay(1000);

if (now.hour() == alarm_jam1 && now.minute() == alarm_menit1){
  lcd.clear();
  tone(10,500);
lcd.setCursor(0, 0);
lcd.print("     BANGUN     ");
lcd.setCursor(0, 1);
lcd.print("    04.25 WIB    ");
delay(2000);
lcd.clear();
{
  lcd.setCursor(0,0);
  lcd.print("   WAKTU SHOLAT  ");
  lcd.setCursor(0,1);
  lcd.print("    SHUBUH    ");
  noTone(10);
  delay(5000);
}

}
else
{
  noTone(10);
}
if (now.hour() == alarm_jam2 && now.minute() == alarm_menit2){
  lcd.clear();
  tone(10,500);
lcd.setCursor(0, 0);
lcd.print("   SIANG   ");
lcd.setCursor(0, 1);
lcd.print("   11.57 WIB   ");
delay(2000);
lcd.clear();
{
  lcd.setCursor(0,0);
  lcd.print("   WAKTU SHOLAT    ");
  lcd.setCursor(0,1);
  lcd.print("    DHUZUR   ");
  noTone(10);
  delay(5000);
}

}
else
{
  noTone(10);
}
if (now.hour() == alarm_jam3 && now.minute() == alarm_menit3){
  lcd.clear();
  tone(10,500);
lcd.setCursor(0, 0);
lcd.print("    SORE     ");
lcd.setCursor(0, 1);
lcd.print("    15.24 WIB     ");
delay(2000);
lcd.clear();
{
  lcd.setCursor(0,0);
  lcd.print("   WAKTU SHOLAT   ");
  lcd.setCursor(0,1);
  lcd.print("    ASAR    ");
  noTone(10);
  delay(5000);
} 

}
else
{
  noTone(10);
}
if (now.hour() == alarm_jam4 && now.minute() == alarm_menit4){
  lcd.clear();
  tone(10,500);
lcd.setCursor(0, 0);
lcd.print("     MAGRIB    ");
lcd.setCursor(0, 1);
lcd.print("     18.12 WIB     ");
delay(2000);
lcd.clear();
{
  lcd.setCursor(0,0);
  lcd.print("     WAKTU SHOLAT    ");
  lcd.setCursor(0,1);
  lcd.print("   MAGRIB   ");
  noTone(10);
  delay(5000);
}

}
else
{
  noTone(10);
}
if (now.hour() == alarm_jam5 && now.minute() == alarm_menit5){
  lcd.clear();
  tone(10,500);
lcd.setCursor(0, 0);
lcd.print("    MALAM   ");
lcd.setCursor(0, 1);
lcd.print("     19.28 WIB    ");
delay(2000);
lcd.clear();
{
  lcd.setCursor(0,0);
  lcd.print("   WAKTU SHOLAT  ");
  lcd.setCursor(0,1);
  lcd.print("   ISYA   ");
  noTone(10);
  delay(5000);
}

}
else
{
  noTone(10);
}
}