void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(11, OUTPUT);
  pinMode(A0, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int dataADC = analogRead(A0);

  float pwm = dataADC / 4;
  analogWrite(11, pwm);
  
  Serial.print("ADC:");
  Serial.print(dataADC);
  Serial.print(" PWM:");
  Serial.println(pwm);
}