#include <Arduino.h>

int segment[8] = {13,12,32,33,25,26,27,14};

int digit[3] = {15,18,19};
unsigned long jeda;
int pot = 4;

bool statusSegment[10][7] = {
                      {0,0,0,0,0,0,1},
                      {1,0,0,1,1,1,1},
                      {0,0,1,0,0,1,0},
                      {0,0,0,0,1,1,0},
                      {1,0,0,1,1,0,0},
                      {0,1,0,0,1,0,0},
                      {0,1,0,0,0,0,0},
                      {0,0,0,1,1,1,1},
                      {0,0,0,0,0,0,0},
                      {0,0,0,0,1,0,0}
};

void setup(){
  Serial.begin(9600);
  for(int i=0; i<8; i++){
    pinMode(segment[i], OUTPUT);
    digitalWrite(segment[i], HIGH);
  }
  for(int i=0; i<3; i++){
    pinMode(digit[i],OUTPUT);
    digitalWrite(digit[i],LOW);
  }
  pinMode(pot, INPUT);
}

void loop(){
   int nilaiPotensiometer = analogRead(pot); // Membaca nilai dari pin A0
  
  int digit1 = (nilaiPotensiometer/5) % 10;
  int digit2 = ((nilaiPotensiometer/5) / 10) % 10;
  int digit3 = ((nilaiPotensiometer/5) / 100) % 10;
  int digit4 = ((nilaiPotensiometer/5) / 1000) % 10;

  tampil4Digit(digit1, digit2, digit3);
 jeda = analogRead(pot);
  Serial.println(jeda);
  Serial.println(nilaiPotensiometer/5);

}

void tampil4Digit(int digit1,int digit2,int digit3){
  nyalakan(0,digit3);
  delay(5);
  nyalakan(1,digit2);
  delay(5);
  nyalakan(2,digit1);
  delay(5);
}

void nyalakan(int dig, int ang){
  matikanSemuaSegment();
  digitalWrite(digit[dig],HIGH);
  for(int i=1; i<8; i++){
    digitalWrite(segment[i],statusSegment[ang][i-1]);
  }
}

void matikanSemuaSegment(){
  for(int i=0; i<4; i++){
    digitalWrite(digit[i],LOW);
    for(int j=0; j<8; j++){
      digitalWrite(segment[j],HIGH); 
    }
  }
}