#define pinOut 22
//const int pwmChannel = 0;
const int frequency = 500;
const int resolution = 12;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  ledcAttach(pinOut, frequency, resolution);
}

void loop() {
  if (Serial.available()) {
    int x = Serial.parseInt();
    Serial.println(x);
    while (Serial.available()) {
      Serial.read();
}

      if (x>=0 && x<=4095) {
        ledcWrite(pinOut, x);
      }
      else if (x<0){
        ledcWrite(pinOut, 0);
      }
      else {
        ledcWrite(pinOut, 4095);
      }
  } 
  
  delay(10); // this speeds up the simulation
}