#define pinoSensor 36
int valorSensor = 0;
float porcentagem;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(23, OUTPUT);
}

void loop() {
  valorSensor = analogRead(pinoSensor);
  porcentagem = (valorSensor * 100)/4095;
  if(porcentagem >= 50){
    digitalWrite(23, HIGH);
    delay(100);
    digitalWrite(23, LOW);
    }
}