int led = 12;
int botao =4;
bool x = 0;
bool y =0;
void setup() {
 Serial.begin(115200);
 Serial.println("Hello, ESP32!");
 pinMode(led, OUTPUT);
 pinMode(botao, INPUT);
 
}


void loop() {
  x=digitalRead(botao);
  
  if(x==LOW && y==HIGH)
  {
    desligar();
    y=LOW;
    delay(3000);
  }
if(x==LOW && y==LOW)
  {
    ligar();
    y=HIGH;
    delay(3000);
  }
  
}
void ligar(){
  delay(3000);
  
  digitalWrite(led, HIGH);
  while(digitalRead(botao) == LOW){
     delay(3000);   
     }
  }

void desligar(){
  delay(5000);
  
  digitalWrite(led, LOW);
  while(digitalRead(botao) == LOW){
     delay(3000);   
     }
  }