int pisoQty = 0;
int limaQty = 0;
int sampuQty = 0;
int pisoTotal = 0;
int limaTotal = 0;
int sampuTotal = 0;
int grandTotal = 0;

//Coin Acceptor
Servo servoSorter;
const int coinInt = 0;
volatile int coinsValue = 0;
int coinsChange = 0;
int coinCurrentTotal = 0;
int coinAcceptor = 0;

void setup() {
  //Coin Acceptor
  pinMode(2, INPUT_PULLUP);
  Serial.begin(9600);
  attachInterrupt(coinInt, coinInserted, RISING);
  //Hardware is now ready
  Serial.println("Ready...");
}


void coinInserted()
{
  coinsChange = 1;
  coinsValue = coinsValue + 1;
}

void loop() {

          if (coinsChange == 1)
          {
            if (coinsValue == 10) {
              coinsChange = 0;
              sampuQty++;
              sampuTotal += 10;
              grandTotal += 10;
              //Serial.println("You deposit " + String(coinsValue));
              Serial.println(String(coinsValue));
              coinCurrentTotal = 0;
              coinsValue = 0;
            } else if (coinsValue == 5) {
              coinsChange = 0;
              limaQty++;
              limaTotal += 5;
              grandTotal += 5;
              //Serial.println("You deposit " + String(coinsValue));
              Serial.println(String(coinsValue));
              coinCurrentTotal = 0;
              coinsValue = 0;
            } else if (coinsValue == 1) {
              coinsChange = 0;
              pisoQty++;
              pisoTotal++;
              grandTotal++;
              //Serial.println("You deposit " + String(coinsValue));
              Serial.println(String(coinsValue));
              coinCurrentTotal = 0;
              coinsValue = 0;
            } else if (coinsValue > 10) {
              coinsChange = 0;
              coinCurrentTotal = 0;
              coinsValue = 0;
            }
          }

          //Check if coin acceptor is now exiting
          if (Serial.available() > 0) {
            String coinAcceptorString = Serial.readString();
            coinAcceptor = coinAcceptorString.toInt();
            //If coinAcceptor is equal to 100 then exit
            if (coinAcceptor == 100) {
              isTrue = false;
              choice = 0;
              coinAcceptor = 0;
              detachInterrupt(digitalPinToInterrupt(2));
              //Serial.println("Coin Acceptor has been closed.");
              servoSorter.detach();
            }
          }
}