#define ldr A0
#define touch 2
#define laser 3
#define ledVerm 10
#define ledVerd 11

void setup() {
  // put your setup code here, to run once:    
  pinMode(ldr, INPUT);
  pinMode(laser, OUTPUT);
  digitalWrite(laser, HIGH);
  pinMode(touch,INPUT);
  pinMode(ledVerm, OUTPUT);
  pinMode(ledVerd, OUTPUT);  
}
void loop() {
  // put your main code here, to run repeatedly:    
  int  toque = digitalRead(touch);   
  do {
      if (toque == 1) { //pressionado
         digitalWrite(ledVerm,LOW);  
         digitalWrite(ledVerd,HIGH);      
         digitalWrite(laser,LOW);
      }
      else {
         digitalWrite(ledVerm,HIGH);  
         digitalWrite(ledVerd,LOW);      
         digitalWrite(laser,HIGH);
      }
      
      toque = digitalRead(touch);      
   }
   while ((toque == 1));      
    
}