#include <LiquidCrystal.h>



LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

 int buttonPushCounter = 0;   
 int cutwire = 0;
 int cutwire1 = 0;
 int buttonState7 = 0;        
 int buttonState8 = 0;        
 int lastButtonState = 0;   
 int redled = 9;
 int buzzer = 13;
 
 void setup(){
  
   pinMode(7, INPUT);
   
   pinMode(8, INPUT);
   
   pinMode(6, INPUT);
   
   pinMode(10, INPUT);
   
   pinMode(redled, OUTPUT);
   
   pinMode(buzzer,OUTPUT);
   
   lcd.begin(16,2);
   
   lcd.setCursor(0,0);
   
   lcd.print("Tempo:");
   
 }
 
 void loop(){
   
   buttonState7 = digitalRead(7);
   buttonState8 = digitalRead(8);
   cutwire = digitalRead(6);
   cutwire1 = digitalRead(10);
   
   if (buttonState7 != lastButtonState) {
     
     if (buttonState7 == HIGH)
      
     {
      buttonPushCounter+=300;
      delay(300);
      lcd.setCursor(7,1);                
      lcd.print(buttonPushCounter);
        
      delay(100);
     }
   }
      buttonState8 = digitalRead(8); 
      
      if(buttonState8 == HIGH){        
        while(buttonPushCounter != 0){
        buttonPushCounter = buttonPushCounter - 1;
        
        digitalWrite(redled, HIGH);
        delay(500);
        digitalWrite(redled, LOW);
        delay(500);
        
        lcd.setCursor(0,0);
        lcd.print("Detonacao em:");
        lcd.setCursor(7,1);
        lcd.print(buttonPushCounter);
        if (buttonPushCounter < 10)    
              {
                 
             lcd.setCursor(8,1);
          
              lcd.print("  ");
         }  
         if (buttonPushCounter < 100)
         
         {
             lcd.setCursor(9,1);
          
              lcd.print("  ");
         }  
         if (buttonPushCounter < 1000)
         
         {
             lcd.setCursor(10,1);
          
              lcd.print("  ");
         } 
        if (buttonPushCounter < 10000)        
         {
             lcd.setCursor(11,1);
          
              lcd.print("  ");

       }
                      
           cutwire = digitalRead(6);
       
       if (cutwire == HIGH && buttonPushCounter > 0) {  //mudança 1
         lcd.setCursor(0,0);
           lcd.print("  ");
           lcd.setCursor(1,0);
           lcd.print("  ");
           lcd.setCursor(0,1);
           lcd.print("  ");
           lcd.setCursor(3,0);          
         lcd.print("Desativado ");   
          break;
       }
         cutwire1 = digitalRead(10);
         
         if(cutwire1 == HIGH || buttonPushCounter <= 0){      //2ª mudança     
           
           lcd.setCursor(0,0);
           lcd.print("  ");
           lcd.setCursor(1,0);
           lcd.print("  ");
           lcd.setCursor(0,1);
           lcd.print("  ");
           
           lcd.setCursor(2,0);          
         lcd.print("Terroristas ");       
         lcd.setCursor(3,1);
         lcd.print("Venceram");
         for(int buzzer = 0;buzzer < 20 ; buzzer++){ 
           lcd.noDisplay();  // display desligado
         delay(250);
         lcd.display(); // display ligado
         delay(250);
           tone(13,1500); 
         delay(500);
       noTone(13);
       delay(500);
         
         }     
         break;
         
       
         
       }
             
       }
    
    }
         
               
 }