/*#include<LiquidCrystal.h>
int rs=11,en=10,d4=7,d5=6,d6=5,d7=4;
LiquidCrystal lcd(rs,en,d4,d5,d6,d7);
int S_1=9;
int S_2=8;
int Count=0;

void setup()
{
   lcd.begin(16,2);
  pinMode(9,INPUT);
  pinMode(8,INPUT);
  lcd.setCursor(0, 0);  
  lcd.print("People Count: ");
  pinMode(13, OUTPUT);
  digitalWrite(13, HIGH);    
}
  

void loop() {
  
  int incButton = digitalRead(9);
  int outcButton = digitalRead(8);
  int in_count=digitalRead(Count);
  int out_count=digitalRead(Count);

  lcd.clear();
  if (incButton == HIGH || outcButton==HIGH) {
    in_count++;
    out_count--;
     
  }

  lcd.setCursor(1, 0); 
  lcd.print("in_count:"); 
  lcd.print(in_count); 
  lcd.setCursor(0, 1); 
  lcd.print("out_count:"); 
  lcd.print(out_count); 

  
  delay(1000);  
}
*/
#include <LiquidCrystal.h>

int rs = 11, en = 10, d4 = 7, d5 = 6, d6 = 5, d7 = 4;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

int S_1 = 9;  // Button to increment count
int S_2 = 8;  // Button to decrement count
int Count = 0; // People count
int OutCount = 0; // Out Count

void setup() {
  lcd.begin(16, 2);
  pinMode(S_1, INPUT);
  pinMode(S_2, INPUT);
  lcd.setCursor(0, 0);
  lcd.print("In: ");
  lcd.setCursor(8, 0);
  lcd.print("Out: ");
  pinMode(13, OUTPUT);
  digitalWrite(13, HIGH);
}

void loop() {
  int incButton = digitalRead(S_1);
  int outcButton = digitalRead(S_2);

  // Button press detection with debounce (simple)
  if (incButton == HIGH) {
    Count++;
    delay(200); // Simple debounce delay
  }

  if (outcButton == HIGH) {
    if(Count > 0){
      Count--;
      OutCount++;
    }
    delay(200); // Simple debounce delay
  }

  lcd.setCursor(4, 0);
  lcd.print(Count);
  lcd.print(" "); // Add a space to clear extra characters

  lcd.setCursor(13, 0);
  lcd.print(OutCount);
  lcd.print(" "); // Add a space to clear extra characters

  lcd.setCursor(0, 1);
  lcd.print("Total: ");
  lcd.print(Count);
  lcd.print(" "); // Add a space to clear extra characters

  delay(200); // Reduced delay to prevent flickering
}