This is a working model to sort variety of coins with different shapes and sizes. The coins are passed through a narrow channel, with different size holes in it. Below the trey of collection of different coins, a vibrator is used which gives thrust to the pile of coins and they pass through the narrow channel and fall into different collector bo…

coin_sorter_counter_system

/*
 * Project of Coin Sorter & Counting Machine
 * Designed by: Kaushik Joshi, Tanish Patil, 
 * Om Sonone, Shreyas Patil and Sarthak Kharote
 * Guided by: Prof. Dattaraj Vidyasagar
 * Website: www.vsagar.org
 * Starting Date: 18.09.2019
 * Program Compilation Date: 04.10.2019
 * Finalisation Date:
 */

#include <LiquidCrystal.h> // header file for LCD display
const int rs=2,en=3,d4=4,d5=5,d6=6,d7=7;
LiquidCrystal lcd(rs,en,d4,d5,d6,d7);

int coin5=0; // variable to count the number of Rs.5 coins
int coin10=0; // variable to count the number of Rs.10 coins

int IRS5=8; // IR Sensor5 is attached to pin-8
int IRS10=9; // IR Sensor10 is attached to pin-9

void setup()
  {
    pinMode(IRS5,INPUT); // pin-8 is declared as input pin
    pinMode(IRS10,INPUT); // pin-9 is declared as input pin
    lcd.begin(16,2); // the LCD display is initiated
      lcd.clear(); // clears previous message on the display 
      lcd.setCursor(0,0); // first row selected
      lcd.print("Coin Sorter"); 
      lcd.setCursor(0,1); // second row selected
      lcd.print("Counter Machine"); 
      delay(3000);
      lcd.clear(); // clears previous message on the display 
      lcd.setCursor(0,0); // first row selected
      lcd.print("Bal Shivaji"); 
      lcd.setCursor(0,1); // first row selected
      lcd.print("HighSchool Akola"); 
      delay(3000);
      lcd.clear(); // clears previous message on the display 
    }

void loop()
  {
    if(!digitalRead(IRS5) && !digitalRead(IRS10)) 
    {
      coin5++;
      coin10++;
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Rs.5 Coins:");
      lcd.print(coin5);
      lcd.setCursor(0,1);
      lcd.print("Rs.10 Coins:");
      lcd.print(coin10);    
      delay(250);
    }

    if(!digitalRead(IRS5) && digitalRead(IRS10)) 
    {
      coin5++;
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Rs.5 Coins:");
      lcd.print(coin5);
      delay(250);
    }

    if(digitalRead(IRS5) && !digitalRead(IRS10)) 
    {
      coin10++;
      lcd.clear();
      lcd.setCursor(0,1);
      lcd.print("Rs.10 Coins:");
      lcd.print(coin10);    
      delay(250);
    }

    if(digitalRead(IRS5) && digitalRead(IRS10)) 
    {
      lcd.setCursor(0,0);
      lcd.print("Rs.5 Coins:");
      lcd.print(coin5);
      lcd.setCursor(0,1);
      lcd.print("Rs.10 Coins:");
      lcd.print(coin10);    
      delay(1000);
    }
  }

Finalised on 17.10.2019