int nilai = 0; //variabel nilai
int sw1 = 0; //variabel sw1
int sw2 = 0; //variabel sw2
int potensio = 0;
int data_ADC = 0;//data segmet/nilai output  
int data_DAC = 0;//data sebenarnya/nilai asli

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
  pinMode(3, OUTPUT); //LED2
}
void loop() {
  potensio = analogRead(A0);
  data_ADC = ((data_DAC * 9) / 255);

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

  if(sw1 == 0){
    data_DAC+=30;
  }
  if(sw2 == 0){
    data_DAC-=30;
  }
  if(data_DAC > 255){
    data_DAC = 255;
  }
  if(data_DAC < 0){
    data_DAC = 0;
  }

  analogWrite(3, data_DAC);

  if(data_ADC == 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(data_ADC == 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(data_ADC == 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(data_ADC == 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(data_ADC == 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(data_ADC == 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(data_ADC == 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(data_ADC == 7){
    //----------- 0 ----------
    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(data_ADC == 8){
    //----------- 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, LOW);//G
    //------------------------
  }
  if(data_ADC == 9){
    //----------- 0 ----------
    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
    //------------------------
  }
}