void lcdDisplay(String w ,String x ,String y , String z)
{
  lcd.clear(); 
  lcd.setCursor(0, 0); 
  lcd.print(w);
  lcd.setCursor(0, 1);
  lcd.print(x);  
  lcd.setCursor(0, 2);
  lcd.print(y);  
  lcd.setCursor(0, 3);
  lcd.print(z);  
}

void buzzMe(int x){ 
  for (int i = 1; i <= x; i++) {
    digitalWrite(buzzer, HIGH); // turn ON
    delay(500);
    digitalWrite(buzzer, LOW);  // turn OFF
    delay(500);
  }
}


void testDevice(){ 
//       for (int i = 0; i < totalRelays; i++) { 
//    digitalWrite(relayPins[i], RELAY_ON);  
//    delay(2000);
//    digitalWrite(relayPins[i], RELAY_OFF);  
//  } 

 for (int pos = 0; pos <= 190; pos++) {
    servo1.write(pos);
    servo2.write(pos);
    delay(15);
  }

  // sweep back to 0°
  for (int pos = 180; pos >= 0; pos--) {
    servo1.write(pos);
    servo2.write(pos);
    delay(15);
  }  
}

//Coin Process
void  countPulse() {
  pulseCount++;
  lastPulseTime = millis();
}