#define A 18
#define B 23
#define C 4
#define D 16
#define E 17
#define F 19
#define G 0
#define DIG1 5
#define DIG2 21
#define DIG3 22
#define DIG4 2
#include "DHTesp.h"

void clear_digit() {
  digitalWrite(A, LOW);
  digitalWrite(B, LOW);
  digitalWrite(C, LOW);
  digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
  digitalWrite(G, LOW);
}

void zero() { digitalWrite(A, HIGH); digitalWrite(B, HIGH); digitalWrite(C, HIGH); digitalWrite(D, HIGH); digitalWrite(E, HIGH); digitalWrite(F, HIGH); digitalWrite(G, LOW); }
void one() { digitalWrite(A, LOW); digitalWrite(B, HIGH); digitalWrite(C, HIGH); digitalWrite(D, LOW); digitalWrite(E, LOW); digitalWrite(F, LOW); digitalWrite(G, LOW); }
void two() { digitalWrite(A, HIGH); digitalWrite(B, HIGH); digitalWrite(C, LOW); digitalWrite(D, HIGH); digitalWrite(E, HIGH); digitalWrite(F, LOW); digitalWrite(G, HIGH); }
void three() { digitalWrite(A, HIGH); digitalWrite(B, HIGH); digitalWrite(C, HIGH); digitalWrite(D, HIGH); digitalWrite(E, LOW); digitalWrite(F, LOW); digitalWrite(G, HIGH); }
void four() { digitalWrite(A, LOW); digitalWrite(B, HIGH); digitalWrite(C, HIGH); digitalWrite(D, LOW); digitalWrite(E, LOW); digitalWrite(F, HIGH); digitalWrite(G, HIGH); }
void five() { digitalWrite(A, HIGH); digitalWrite(B, LOW); digitalWrite(C, HIGH); digitalWrite(D, HIGH); digitalWrite(E, LOW); digitalWrite(F, HIGH); digitalWrite(G, HIGH); }
void six() { digitalWrite(A, HIGH); digitalWrite(B, LOW); digitalWrite(C, HIGH); digitalWrite(D, HIGH); digitalWrite(E, HIGH); digitalWrite(F, HIGH); digitalWrite(G, HIGH); }
void seven() { digitalWrite(A, HIGH); digitalWrite(B, HIGH); digitalWrite(C, HIGH); digitalWrite(D, LOW); digitalWrite(E, LOW); digitalWrite(F, LOW); digitalWrite(G, LOW); }
void eight() { digitalWrite(A, HIGH); digitalWrite(B, HIGH); digitalWrite(C, HIGH); digitalWrite(D, HIGH); digitalWrite(E, HIGH); digitalWrite(F, HIGH); digitalWrite(G, HIGH); }
void nine() { digitalWrite(A, HIGH); digitalWrite(B, HIGH); digitalWrite(C, HIGH); digitalWrite(D, HIGH); digitalWrite(E, LOW); digitalWrite(F, HIGH); digitalWrite(G, HIGH); }

unsigned long previousMillis = 0;
const long interval = 300;
unsigned long displayMillis = 0;
const long displayInterval = 5;
int counter = 0;
int digit = 1;

void setup() {
  Serial.begin(115200);
  pinMode(A, OUTPUT);
  pinMode(B, OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
  pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(DIG1, OUTPUT);
  pinMode(DIG2, OUTPUT);
  pinMode(DIG3, OUTPUT);
  pinMode(DIG4, OUTPUT);

  digitalWrite(DIG1, HIGH);
  digitalWrite(DIG2, HIGH);
  digitalWrite(DIG3, HIGH);
  digitalWrite(DIG4, HIGH);
}

void displayNumber(int digit, int value) {
  switch (digit) {
    case 1: digitalWrite(DIG1, LOW); digitalWrite(DIG2, HIGH); digitalWrite(DIG3, HIGH); digitalWrite(DIG4, HIGH); break;
    case 2: digitalWrite(DIG1, HIGH); digitalWrite(DIG2, LOW); digitalWrite(DIG3, HIGH); digitalWrite(DIG4, HIGH); break;
    case 3: digitalWrite(DIG1, HIGH); digitalWrite(DIG2, HIGH); digitalWrite(DIG3, LOW); digitalWrite(DIG4, HIGH); break;
    case 4: digitalWrite(DIG1, HIGH); digitalWrite(DIG2, HIGH); digitalWrite(DIG3, HIGH); digitalWrite(DIG4, LOW); break;
  }
  switch (value) {
    case 0: zero(); break;
    case 1: one(); break;
    case 2: two(); break;
    case 3: three(); break;
    case 4: four(); break;
    case 5: five(); break;
    case 6: six(); break;
    case 7: seven(); break;
    case 8: eight(); break;
    case 9: nine(); break;
  }
}

void loop() {
  unsigned long currentMillis = millis();

  // Обновление счетчика каждую секунду
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
    counter++;
    if (counter > 9999) counter = 0;
  }

  // Обновление отображения каждые 5 миллисекунд
  if (currentMillis - displayMillis >= displayInterval) {
    displayMillis = currentMillis;

    int thousands = counter / 1000;
    int hundreds = (counter / 100) % 10;
    int tens = (counter / 10) % 10;
    int units = counter % 10;

    switch (digit) {
      case 1: displayNumber(1, thousands); break;
      case 2: displayNumber(2, hundreds); break;
      case 3: displayNumber(3, tens); break;
      case 4: displayNumber(4, units); break;
    }

    digit++;
    if (digit > 5) digit = 1;

    clear_digit();
  }
}