//Include Library
  #include <LiquidCrystal_I2C.h>
  #include "RTClib.h"
  #include "dateTime.h"
//Gobal Declaration ...
  //LCD
    #define lcdADDR    0x27
    #define lcdCOLUMNS 20
    #define lcdLINES   4
  LiquidCrystal_I2C lcd(lcdADDR, lcdCOLUMNS, lcdLINES);
  //Cloc
  RTC_DS1307 rtc;
  //myDeclaration
  
void setup() {
  Serial.begin(9600);
//Initialize Clock
  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }
//Initialize LCD
  lcd.begin(lcdCOLUMNS, lcdLINES);
    lcd.init();
    lcd.backlight();
//Display LCD
  lcd.clear();
  lcd.setCursor(0,0);
    lcd.print("This Day : " + curDay (rtc));
  lcd.setCursor(0,1);
    lcd.print("Date : " + curDate (rtc));
  lcd.setCursor(0,2);
    lcd.print("Time : " + curTime (rtc));
}

void loop() {
// แสดงวันที่และเวลาปัจจุบัน
  //lcd.clear();
  lcd.setCursor(0,0);
    lcd.print("This Day : " + curDay (rtc));
  lcd.setCursor(0,1);
    lcd.print("Date : " + curDate (rtc));
  lcd.setCursor(0,2);
    lcd.print("Time : " + curTime (rtc));
// แสดงเวลาทำงาน Arduino ตั้งแต่เปิดเครื่อง  millis() และ micros()
  lcd.setCursor(0,3);
    lcd.print("RunT : " + String(millis()/3600000) + "h" + String((millis()/60000)%60) + "m"+ String((micros()/1000000)%60) + "s" );
  delay(500);
}