#include <LiquidCrystal_I2C.h>
#include <RTClib.h> 
#include <EEPROM.h>
#define OnBoardLED 13
#define RELAY1 2


LiquidCrystal_I2C myLCD(0x27,20,4); 
RTC_DS1307 myRTC;
unsigned char H_OnProg[10],M_OnProg[10];
unsigned char H_OffProg[10],M_OffProg[10];
void setup() 
{
  pinMode(OnBoardLED, OUTPUT);
  pinMode(RELAY1, OUTPUT);
 
  Serial.begin(9600);
  Serial.println("็Hello ENE of RMUTI Khonkaen");
  myLCD.init();   
  myLCD.backlight();
  myLCD.setCursor(5,0);  myLCD.print("--CVithaya --");
  myLCD.setCursor(0,3);  myLCD.print("We're ENE Of RMUTI");
  myRTC.begin();  
  H_OnProg[0] = 8;  M_OnProg[0] = 32;
  H_OnProg[1] = 9;  M_OnProg[1] = 0;
  H_OnProg[2] = 10;  M_OnProg[2] = 45;
  H_OnProg[3] = 11;  M_OnProg[3] = 15;
  H_OnProg[4] = 21;  M_OnProg[4] = 54;
  H_OffProg[4] = 21;  M_OffProg[4] = 55;
}
unsigned char Cx=0;
unsigned long PrevTime,NowTime;
DateTime RTC_Now;
unsigned char nowHOUR,nowMIN,nowSEC;
unsigned char TimeProgIndex=0;
void TimeProgCheck(void)
{
   myLCD.setCursor(0,2); myLCD.print("          ");
   myLCD.setCursor(0,2);
   myLCD.print(TimeProgIndex); myLCD.print("|");
   myLCD.print(H_OnProg[TimeProgIndex]);
   myLCD.print(":"); myLCD.print(M_OnProg[TimeProgIndex]);
//---------- TimeProg Comparation --------------
if(nowHOUR == H_OnProg[TimeProgIndex])
{
  if(nowMIN == M_OnProg[TimeProgIndex])
  {
    digitalWrite(RELAY1,HIGH);
  }
}
//-----------------------
if(nowHOUR == H_OffProg[TimeProgIndex])
{
  if(nowMIN == M_OffProg[TimeProgIndex])
  {
    digitalWrite(RELAY1,LOW);
  }
}
   TimeProgIndex++;
   if(TimeProgIndex == 10) TimeProgIndex = 0;
}
void loop()
{
 NowTime = millis();
 if(NowTime >= (PrevTime + 100))
 {
  if(Cx==0) digitalWrite(OnBoardLED, HIGH);
 else if(Cx==3) digitalWrite(OnBoardLED, LOW);
 if(Cx == 9)
 {
   Cx = 0;
   RTC_Now = myRTC.now();
   nowHOUR = RTC_Now.hour();
   nowMIN = RTC_Now.minute();
   nowSEC = RTC_Now.second();
   TimeProgCheck();
   myLCD.setCursor(0,1); myLCD.print(nowHOUR);
   myLCD.print(":"); myLCD.print(nowMIN);
   myLCD.print(":"); myLCD.print(nowSEC);
 //--------------------------------  
   myLCD.setCursor(10,1); myLCD.print(RTC_Now.day());
   myLCD.print("/"); myLCD.print(RTC_Now.month());
   myLCD.print("/"); myLCD.print(RTC_Now.year());
  }else Cx++;
  PrevTime = NowTime;
 }
}