crystallball.ino

#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

const int switchPin = 6;
      int switchState = 0;
      int prevSwitchState = 0 ;
      int reply;
      
void setup(){
     lcd.begin(16,2);
     pinMode(switchPin,INPUT);
     lcd.print("Ask the,");
     lcd.setCursor(0,1);
     lcd.print("Crystal Ball!");
}

void loop(){

  switchState = digitalRead(switchPin);
  if(switchState != prevSwitchState){
    if(switchState==LOW){
      reply = random(8);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("The Ball Says: ");
      lcd.setCursor(0,1);
      switch(reply){
      
        case 0:
        lcd.print("Tomorrow never dies");
        break;
        case 1:
        lcd.print("Be Hopeful");
        break;
        case 2:
        lcd.print("Green is your color");
        break;
        case 3:
        lcd.print("Think before you do");
        break;
        case 4:
        lcd.print("It is your lucky day");
        break;
        case 5:
        lcd.print("Be positive");
        break;
        case 6:
        lcd.print("expect money today");
        break;
        case 7:
        lcd.print("Hi");
        break; 
      }
    }
  }
  prevSwitchState = switchState;
}