#include <TM1637TinyDisplay.h>

byte pushA = 2;
byte pushB = 4;
int counter = 0;
int buz = 5;
byte LED_RED = 12;
byte LED_GREEN = 13;

const int CLK = 19;
const int DIO = 18;

TM1637TinyDisplay display(CLK, DIO);

void ledIndikator(){
  if(counter >= 10){
    digitalWrite(LED_RED, HIGH);
    digitalWrite(LED_GREEN, LOW);
  }else{
    digitalWrite(LED_GREEN, HIGH);
    digitalWrite(LED_RED, LOW);
  }
}
void setup() {
  // put your setup code here, to run once:
  display.setBrightness(0x0f);
  display.setScrolldelay(100);
  Serial.begin(115200);
  pinMode(pushA, INPUT);
  pinMode(pushB, INPUT);
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  display.showString("2015344043");
  delay(500);
}

void loop() {
  display.showNumber(counter);
  if(digitalRead(pushA)){
    if(counter == 0){
      delay(350);
      Serial.print("\nJumlah Orang Mencapai Minimum : ");
      Serial.println(counter);     
    }else{
      counter--;
      delay(350);
      {tone(buz,1000);
      delay(100);}
      {tone(buz,0);
      delay(100);}
      Serial.print("\nORANG KELUAR\n");
      Serial.print("Jumlah Orang : ");
      Serial.println(counter);
      Serial.print("Buzzer - 1000hz\n");
    }
  }else if (digitalRead(pushB)){
    if(counter == 10){
      delay(350);
      Serial.print("\nJumlah Orang Mencapai Maksimum : ");
      Serial.println(counter);
    }else{
      counter++;
      delay(350);
      {tone(buz,100);
      delay(100);}
      {tone(buz,0);
      delay(100);}
      Serial.print("\nORANG MASUK\n");
      Serial.print("Jumlah Orang : ");
      Serial.println(counter);
      Serial.print("Buzzer - 100hz\n");
    }
  }
  ledIndikator();
}