//Library---------------------------- 
  #include <Wire.h>
  #include <RTClib.h>
  #include <LiquidCrystal_I2C.h>
  LiquidCrystal_I2C lcd(0x27,20,4);   //Alamat I2C
  RTC_DS1307 rtc;

//Deklarasi DHT------------------ 
 
//Deklarasi Encoder------------------ 
 #define outputA 5   
 #define outputB 6   
 #define tombol 4      
 #define led1 13        
 #define buzzer 12
//Deklarasi Led Buzzer Backlight----- 
 bool LED1 = false;    //Variabel kondisi LED mati
 bool BACKLIGHT = true;
 bool BUZZER = false;
//Deklarasi wadah untuk Encoder------ 
 int counter = 0;      //Variabel penghitung nilai
 int aState;           //Variabel kondisi
 int aLastState;       //Variabel kondisi terakhir
 int DITEKAN = LOW;
 int BOUNCE= 50;
//Deklarasi Char icon Navigasi------- 
 byte nav[] = {  B00000,  B00100,  B00010,  B11111,  B00010,  B00100,  B00000,  B00000};
//Deklarasi Char Icon Baterai-------- 
 byte Kosong1[] = {  B01111,  B01000,  B11000,  B11000,  B11000,  B01000,  B01000,  B01111};
 byte Kosong2[] = {  B11111,  B00000,  B00000,  B00000,  B00000,  B00000,  B00000,  B11111};
 byte Kosong3[] = {  B11111,  B00001,  B00001,  B00001,  B00001,  B00001,  B00001,  B11111};
 byte batt1[] = {  B01111,  B01000,  B11011,  B11011,  B11011,  B11011,  B01000,  B01111};
 byte batt2[] = {  B11111,  B00000,  B11111,  B11111,  B11111,  B11111,  B00000,  B11111};
 byte batt3[] = {  B11111,  B00001,  B11101,  B11101,  B11101,  B11101,  B00001,  B11111};

//Deklarasi Char Icon suhu-------- 
 byte suhu[] = {
  B00100,
  B01010,
  B01010,
  B01010,
  B10001,
  B10001,
  B10001,
  B01110};
//Deklarasi Char Icon sinyal-------- 
 byte sinyalA[] = {  B11111,  B10101,  B10101,  B01110,  B00100,  B00100,  B00100,  B00100};
 byte sinyalB[] = {  B00000,  B00000,  B00000,  B00001,  B00011,  B00111,  B01111,  B11111};
 byte sinyalX[] = {  B00000,  B00000,  B00000,  B00000,  B01010,  B00100,  B01010,  B00000};

//Deklarasi modul Pembaca Arus------- 
 float adc_value, in_voltage, adc_voltage;
 float ref_voltage = 4.8;
 float R1 = 30000;
 float R2 = 7500;
 int modul_voltage = A3;

//Deklarasi Char Hari dalam satu Minggu--------    
 char daysOfTheWeek[7][12] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};

void setup() { 
  lcd.begin(20, 4);
  lcd.backlight();
  lcd.clear();

  pinMode (outputA,INPUT_PULLUP);  
  pinMode (outputB,INPUT_PULLUP);
  pinMode (tombol,INPUT_PULLUP);
  pinMode(led1, OUTPUT);            
  pinMode(BACKLIGHT, OUTPUT);
  pinMode(buzzer, OUTPUT);
  pinMode(modul_voltage, INPUT);

  lcd.createChar(0, nav);
  lcd.createChar(1, Kosong1);
  lcd.createChar(2, Kosong2);
  lcd.createChar(3, Kosong3);
  lcd.createChar(4, batt1);
  lcd.createChar(5, batt2);
  lcd.createChar(6, batt3);
  lcd.createChar(7, sinyalA);
 // lcd.createChar(16, sinyalX);

  aLastState = digitalRead(outputA); 

  //if (! rtc.begin()){lcd.print("RTC Tidak Ditemukan");while (1);}
  //if (! rtc.isrunning()){lcd.print("RTC tidak berjalan!");}
  //rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));//auto update from computer time
  //rtc.adjust(DateTime(2024, 3, 26, 0, 0, 0));// to set the time manually --yyyy,mm,dd,h,m,s
 
 } 

void loop() { 
//---------------Rumus Tegangan---------------//
  adc_value = analogRead(modul_voltage);
  adc_voltage = (adc_value * ref_voltage) / 1024;
  in_voltage = adc_voltage / (R2 / (R1 + R2));
  delay(50);

//---------------Tampilan jam----------------//
 // DateTime now = rtc.now();
 // lcd.setCursor(8, 0);
 // lcd.print(now.hour());
 // lcd.print(':');
 // lcd.print(now.minute()); 

//---------------Tampilan batt----------------//
  if (in_voltage >= 4.00){baterai_100();}
  else if(in_voltage < 4.00 && in_voltage >= 3.70){baterai_65();}
  else if(in_voltage > 3.70 && in_voltage <= 3.50){baterai_30();}
  else{baterai_0();}
  

//---------------Tampilan Sinyal----------------//
  lcd.setCursor(0, 0); lcd.write(7); lcd.print("x");

//---------------Tampilan Awal----------------//
   // lcd.setCursor(16, 0); lcd.print(in_voltage);
  lcd.setCursor(0, 1); lcd.print("       FirMan       ");
  lcd.setCursor(0, 2); lcd.print("                    ");
  lcd.setCursor(0, 3); lcd.print("[MENU]              ");

  if (digitalRead(tombol) == DITEKAN) {delay(BOUNCE); while (digitalRead(tombol) == DITEKAN) {}lcd.clear(); beep(); daftarMENU();}

  }
//----------------------------------------------------------------------
void daftarMENU(){
 setMENU0:            //                              HOME
  lcd.setCursor(1, 0);  lcd.print("Home              ");
  lcd.setCursor(1, 1);  lcd.print("Info Device       ");
  lcd.setCursor(1, 2);  lcd.print("Status Device     ");
  lcd.setCursor(1, 3);  lcd.print("Setting           ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.write( 0 );  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU11;}
  else if(counter == -2){counter = 0; beep(); goto setMENU1;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto homeSET;}
  
  goto setMENU0;
 //----------------------------------------------------------------------
 setMENU1:            //                              Info Device
  lcd.setCursor(1, 0);  lcd.print("Home              ");
  lcd.setCursor(1, 1);  lcd.print("Info Device       ");
  lcd.setCursor(1, 2);  lcd.print("Status Device     ");
  lcd.setCursor(1, 3);  lcd.print("Setting           ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.write( 0 );
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU0;}
  else if(counter == -2){counter = 0; beep(); goto setMENU2;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto info_device;}
  
  goto setMENU1;
 //----------------------------------------------------------------------
 setMENU2:            //                              Status Device
  lcd.setCursor(1, 0);  lcd.print("Home              ");
  lcd.setCursor(1, 1);  lcd.print("Info Device       ");
  lcd.setCursor(1, 2);  lcd.print("Status Device     ");
  lcd.setCursor(1, 3);  lcd.print("Setting           ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.write( 0 );
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU1;}
  else if(counter == -2){counter = 0; beep(); goto setMENU3;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto status_device;}
  
  goto setMENU2;
 //----------------------------------------------------------------------
 setMENU3:            //                              Setting
  lcd.setCursor(1, 0);  lcd.print("Home              ");
  lcd.setCursor(1, 1);  lcd.print("Info Device       ");
  lcd.setCursor(1, 2);  lcd.print("Status Device     ");
  lcd.setCursor(1, 3);  lcd.print("Setting           ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.write( 0 );

  if     (counter ==  2){counter = 0; beep(); goto setMENU2;}
  else if(counter == -2){counter = 0; beep(); goto setMENU4;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto set1;}
 
  goto setMENU3;
 //----------------------------------------------------------------------
 setMENU4:            //                              Pemutar Musik
  lcd.setCursor(1, 0);  lcd.print("Pemutar Musik     ");
  lcd.setCursor(1, 1);  lcd.print("Tanggal & Waktu   ");
  lcd.setCursor(1, 2);  lcd.print("Jadwalkan Agenda  ");
  lcd.setCursor(1, 3);  lcd.print("Alarm             ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.write( 0 );  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU3;}
  else if(counter == -2){counter = 0; beep(); goto setMENU5;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto pemutar_musik;}
 
  goto setMENU4;
 //----------------------------------------------------------------------
 setMENU5:            //                              Tanggal & Waktu
  lcd.setCursor(1, 0);  lcd.print("Pemutar Musik     ");
  lcd.setCursor(1, 1);  lcd.print("Tanggal & Waktu   ");
  lcd.setCursor(1, 2);  lcd.print("Jadwalkan Agenda  ");
  lcd.setCursor(1, 3);  lcd.print("Alarm             ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.write( 0 );
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU4;}
  else if(counter == -2){counter = 0; beep(); goto setMENU6;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto tanggal_waktu;}
 
  goto setMENU5; 
 //----------------------------------------------------------------------
 setMENU6:            //                              Jadwalkan Agenda
  lcd.setCursor(1, 0);  lcd.print("Pemutar Musik     ");
  lcd.setCursor(1, 1);  lcd.print("Tanggal & Waktu   ");
  lcd.setCursor(1, 2);  lcd.print("Jadwalkan Agenda  ");
  lcd.setCursor(1, 3);  lcd.print("Alarm             ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.write( 0 );
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU5;}
  else if(counter == -2){counter = 0; beep(); goto setMENU7;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto jadwalkan_agenda;}
 
  goto setMENU6;
 //----------------------------------------------------------------------
 setMENU7:            //                              Alarm
  lcd.setCursor(1, 0);  lcd.print("Pemutar Musik     ");
  lcd.setCursor(1, 1);  lcd.print("Tanggal & Waktu   ");
  lcd.setCursor(1, 2);  lcd.print("Jadwalkan Agenda  ");
  lcd.setCursor(1, 3);  lcd.print("Alarm             ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.write( 0 );

  if     (counter ==  2){counter = 0; beep(); goto setMENU6;}
  else if(counter == -2){counter = 0; beep(); goto setMENU8;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto alarm;}
 
  goto setMENU7;
 //----------------------------------------------------------------------
 setMENU8:            //                              Stopwatch
  lcd.setCursor(1, 0);  lcd.print("Stopwatch         ");
  lcd.setCursor(1, 1);  lcd.print("Timer             ");
  lcd.setCursor(1, 2);  lcd.print("Sensor Suhu & Temp");
  lcd.setCursor(1, 3);  lcd.print("Simbol-Simbol     ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.write( 0 );  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU7;}
  else if(counter == -2){counter = 0; beep(); goto setMENU9;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto stopwatch;}
 
  goto setMENU8;
 //----------------------------------------------------------------------
 setMENU9:            //                              Timer
  lcd.setCursor(1, 0);  lcd.print("Stopwatch         ");
  lcd.setCursor(1, 1);  lcd.print("Timer             ");
  lcd.setCursor(1, 2);  lcd.print("Sensor Suhu & Temp");
  lcd.setCursor(1, 3);  lcd.print("Simbol-Simbol     ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.write( 0 );
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU8;}
  else if(counter == -2){counter = 0; beep(); goto setMENU10;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto timer;}
 
  goto setMENU9;
 //----------------------------------------------------------------------
 setMENU10:            //                              Sensor Suhu & Temperatur
  lcd.setCursor(1, 0);  lcd.print("Stopwatch         ");
  lcd.setCursor(1, 1);  lcd.print("Timer             ");
  lcd.setCursor(1, 2);  lcd.print("Sensor Suhu & Temp");
  lcd.setCursor(1, 3);  lcd.print("Simbol-Simbol     ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.write( 0 );
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto setMENU9;}
  else if(counter == -2){counter = 0; beep(); goto setMENU11;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto sensor_DHT22;}
 
  goto setMENU10;
 //----------------------------------------------------------------------
 setMENU11:            //                              simbol-simbol
  lcd.setCursor(1, 0);  lcd.print("Stopwatch         ");
  lcd.setCursor(1, 1);  lcd.print("Timer             ");
  lcd.setCursor(1, 2);  lcd.print("Sensor Suhu & Temp");
  lcd.setCursor(1, 3);  lcd.print("Simbol-Simbol     ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");  
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.write( 0 );

  if     (counter ==  2){counter = 0; beep(); goto setMENU10;}
  else if(counter == -2){counter = 0; beep(); goto setMENU0;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();goto simbol_simbol;}
 
  goto setMENU11;
 //----------------------------------------------------------------------
  info_device:            //                              
  goto info_device;
 //----------------------------------------------------------------------
  status_device:            //                              
  goto status_device;
 //--------------settingMenu--------------------------------------------------------
  set1:            //                              

  lcd.setCursor(1,0); lcd.print("Setting           ");
  lcd.setCursor(1,1); lcd.print("Led Indikator = OFF ");
  lcd.setCursor(1,2); lcd.print("Lampu Latar   = ON  ");
  lcd.setCursor(1,3); lcd.print("Suara Tombol  = OFF ");

  baca_rotary();                      
  lcd.setCursor(0,0); lcd.write( 0 ); 
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep(); goto set2;}
  else if(counter == -2){counter = 0; beep(); goto set4;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} beep();lcd.clear();goto setMENU3;}
    
  goto set1;
//---------------set BACKLIGHT---------------//
   set2:

  baca_rotary();                
  lcd.setCursor(0,0); lcd.print(" ");
  lcd.setCursor(0,1); lcd.write( 0 ); 
  lcd.setCursor(0,2); lcd.print(" "); 
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep();goto set3;}
  else if(counter == -2){counter = 0; beep();goto set1;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while(digitalRead(tombol) == DITEKAN) {} led_indikator();  beep();goto set2;}
 
  goto set2;
//---------------set BUZZER---------------//
  set3:
  
  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.write( 0 );
  lcd.setCursor(0,3); lcd.print(" ");

  if     (counter ==  2){counter = 0; beep();goto set4;}
  else if(counter == -2){counter = 0; beep(); goto set2;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} lampu_latar();  beep();goto set3;}

  goto set3;
//---------------set BUZZER---------------//
  set4:
  
  baca_rotary();                      
  lcd.setCursor(0,0); lcd.print(" ");
  lcd.setCursor(0,1); lcd.print(" ");
  lcd.setCursor(0,2); lcd.print(" ");
  lcd.setCursor(0,3); lcd.write( 0 );

  if     (counter ==  2){counter = 0; beep(); goto set1;}
  else if(counter == -2){counter = 0; beep(); goto set3;}
  else if(digitalRead(tombol) == DITEKAN){delay(BOUNCE); while (digitalRead(tombol) == DITEKAN){} cek_BUZZER();  beep(); goto set4;}

  goto set4;
//----------------------------------------------------------------------
  pemutar_musik:            //                              
  goto pemutar_musik;
 //----------------------------------------------------------------------
  tanggal_waktu:            //                              
  goto tanggal_waktu;
 //----------------------------------------------------------------------
  jadwalkan_agenda:            //                              
  goto jadwalkan_agenda;
 //----------------------------------------------------------------------
  alarm:            //                              
  goto alarm;
 //----------------------------------------------------------------------
   stopwatch:            //                              
  goto stopwatch;
 //----------------------------------------------------------------------
   timer:            //                              
  goto timer;
 //----------------------------------------------------------------------
   sensor_DHT22:            //                              
  goto sensor_DHT22;
 //----------------------------------------------------------------------
   simbol_simbol:            //                              
  goto simbol_simbol;
 //----------------------------------------------------------------------
homeSET:
lcd.clear();
delay(100);
} //penutup void daftarMENU
//----------------------------------------------------------------------

//---------------FUNCTION ENCODER---------------//
void baca_rotary()
 {     
  aState = digitalRead(outputA);
  if (aState != aLastState){     
    if (digitalRead(outputB) != aState) {counter++;}
    else{counter--;}
  } 
  aLastState = aState;
 }
//---------------FUNCTION LED1------------------//
void led_indikator()
 {
  if(LED1 == false){    digitalWrite(led1, HIGH); lcd.setCursor(17,1); lcd.print("ON "); LED1 = true;}
  else{ digitalWrite(led1, LOW); lcd.setCursor(17,1); lcd.print("OFF");LED1 = false;}
  }
//---------------FUNCTION BACKLIGHT-------------//
void lampu_latar()
 {
  if(BACKLIGHT == true){lcd.noBacklight();lcd.setCursor(17,2);lcd.print("OFF");BACKLIGHT = false;}
  else{lcd.backlight(); lcd.setCursor(17,2);lcd.print("ON ");BACKLIGHT = true;}
  }
//---------------FUNCTION BUZZER----------------//
void cek_BUZZER()
 {
  if(BUZZER == false){digitalWrite(buzzer, HIGH); delay(50); digitalWrite(buzzer, LOW); lcd.setCursor(17,3);lcd.print("ON "); BUZZER = true;}
  else{digitalWrite(buzzer, LOW); lcd.setCursor(17,3); lcd.print("OFF"); BUZZER = false;}
 }

//---------------FUNCTION beep------------------//
void beep()
 {
 if(BUZZER == true){digitalWrite(buzzer, HIGH); delay(100); digitalWrite(buzzer, LOW);}
 }
//---------------FUNCTION baterai---------------//
void baterai_100 (){
 lcd.setCursor(17, 0);lcd.write(4);lcd.setCursor(18, 0);lcd.write(5);lcd.setCursor(19, 0);lcd.write(6);
 }
void baterai_65 (){
 lcd.setCursor(17, 0);lcd.write(1);lcd.setCursor(18, 0);lcd.write(5);lcd.setCursor(19, 0);lcd.write(6);
 }
void baterai_30 (){
 lcd.setCursor(17, 0);lcd.write(1);lcd.setCursor(18, 0);lcd.write(2);lcd.setCursor(19, 0);lcd.write(6);
 }
void baterai_0 (){
 lcd.setCursor(17, 0);lcd.write(1);lcd.setCursor(18, 0);lcd.write(2);lcd.setCursor(19, 0);lcd.write(3);//delay(500);
 //lcd.setCursor(17, 0);lcd.print("  ");lcd.setCursor(18, 0);lcd.print("  ");lcd.setCursor(19, 0);lcd.print("  ");//delay(500);
 }




//----------------------------------------------------------------------