Coin Acceptor With Arduino | Sensor Koin Dengan Arduino

Program:

/*

  Amar Lakar Cengkal

  diy ALC

*/

#define ten_sens 8

#define twenty_sens 9

#define fifty_sens 10

//initialization

int coin=0;

int pulse=0;

int total=0;

int RM=0;

//read coin value

void coin_value()

{

  pulse=pulse+1;

}

void setup()

{

  Serial.begin(9600);

  pinMode(2,INPUT);

  pinMode(ten_sens,OUTPUT);

  pinMode(twenty_sens,OUTPUT);

  pinMode(fifty_sens,OUTPUT);

  Serial.println("Ready to be collected");

}

void loop()

{

  if (digitalRead(2) == HIGH)

  {

    attachInterrupt(0, coin_value, FALLING);

    delay(300);

    if(pulse==2)

    {

      Serial.println("500 kuning");

      coin=500; //500

      digitalWrite(fifty_sens,HIGH);

      delay(1);

    }

    if(pulse==5)

    {

      Serial.println("500 silver");

      coin=500; //500

      digitalWrite(twenty_sens,HIGH);

      delay(1);

    }

    if(pulse==10)

    {

      Serial.println("1000 chrome");

      coin=1000; //1000

      digitalWrite(ten_sens,HIGH);

      delay(1);

    }

  }

  digitalWrite(ten_sens,LOW);

  digitalWrite(twenty_sens,LOW);

  digitalWrite(fifty_sens,LOW);

  coin=0;

  pulse=0;

}