int nilai =0; // variabel nilai
int sw1 = 0; // variabel sw1
int sw2 = 0; // veriabel sw
void setup(){
  pinMode(13, OUTPUT);//A
  pinMode(12, OUTPUT);//B
  pinMode(11, OUTPUT);//C
  pinMode(10, OUTPUT);//D
  pinMode(9, OUTPUT);//E
  pinMode(8, OUTPUT);//F
  pinMode(7, OUTPUT);//G
  pinMode(6, INPUT);//sw1
  pinMode(5, INPUT);//sw2
}
void loop() {

  sw1 = digitalRead(6);
  sw2 = digitalRead(5);
  delay(100);

if(sw1 == 0){
    nilai = nilai + 1;
}

if(sw2 == 0){
    nilai = nilai - 1;
}

if(nilai == 0){
  //----------- 0 ----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, HIGH);//G
  //------------------------
}

if(nilai == 1){
  //---------- 1 ------------
  digitalWrite(13, HIGH);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, HIGH);//G
  //-------------------------
}

if(nilai == 2){
  //----------- 2 ----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, HIGH);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, LOW);//G
  //------------------------
}

if(nilai == 3){
  //-----------3-----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, LOW);//G
  //-----------------------
}

if(nilai == 4){
  //------------4----------
  digitalWrite(13, HIGH);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
}

if(nilai == 5){
  //------------5----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, HIGH);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
}

if(nilai == 6){
  //------------6----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, HIGH);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
}

if(nilai == 7){
  //------------7----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, HIGH);//G
  //------------------------
}

if(nilai == 8){
  //------------8----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
}

if(nilai == 9){
  //------------9----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
}
if(nilai == 10){
  //----------- 0 ----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, HIGH);//G
  //------------------------
  }
  if(nilai == 11){
  //---------- 1 -----------
  digitalWrite(13, HIGH);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, HIGH);//G
  //-------------------------
  }
  if(nilai == 12){
  //----------- 2 ----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, HIGH);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, LOW);//G
  //------------------------
  }
  if(nilai == 13){
  //-----------3-----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, LOW);//G
  //------------------------
  }
  if(nilai == 14){
  //------------4----------
  digitalWrite(13, HIGH);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
  }
  if(nilai == 15){
  //------------5----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, HIGH);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
  }
  if(nilai == 16){
  //------------6----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, HIGH);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
  }
  if(nilai == 17){
  //------------7----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, HIGH);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, HIGH);//F
  digitalWrite(7, HIGH);//G
  //------------------------
  }
  if(nilai == 18){
  //------------8----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, LOW);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
  }
  if(nilai == 19){
  //------------9----------
  digitalWrite(13, LOW);//A
  digitalWrite(12, LOW);//B
  digitalWrite(11, LOW);//C
  digitalWrite(10, LOW);//D
  digitalWrite(9, HIGH);//E
  digitalWrite(8, LOW);//F
  digitalWrite(7, LOW);//G
  //------------------------
  }
  }