//Digital Object Counter
#include <TM1637Display.h>
const int CLK2 =2;
const int DIO = 3; 
TM1637Display display(CLK2, DIO);





int IRPin = 4;
int buzzerPin = 5;
int ledPin=6;
int buttonPin = 7;



int n = 0;
int oldValue = 0;

int last=10;

void setup() {

  Serial.begin(9600);
  // put your setup code here, to run once:


  pinMode(IRPin, INPUT);
  pinMode(buttonPin, INPUT_PULLUP);
 pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  display.setBrightness(7); 
  
}

void loop() {
  // put your main code here, to run repeatedly:
  
 
if(last>n){
  if (digitalRead(IRPin) == 0 && oldValue == 1) {
    oldValue = 0;
    Count();
  } else if (digitalRead(IRPin) == 1 && oldValue == 0) {
    oldValue = 1;
    
  }}

  if (digitalRead(buttonPin) == 0) {
    Reset();
  }

if(n==last){
  digitalWrite(ledPin, HIGH);
  digitalWrite(buzzerPin, HIGH);
}
 

 display.showNumberDec(n, false);
Serial.println(n);


  delay(1);
  
}

void Count() {
  n = n + 1;

 
  
  

  digitalWrite(ledPin, HIGH);
  
  digitalWrite(ledPin, LOW);
}


void Reset() {
  n = 0;
  digitalWrite(buzzerPin, LOW);
   digitalWrite(ledPin, LOW);


  

}