const int led = 25; //
const int btn = 34;
const int pot = 35;
bool status = false;
int pvalue;
int fvalue;

void setup() {
  pinMode(led, OUTPUT);
  pinMode(btn, INPUT);
  pinMode(pot, INPUT);
  Serial.begin(115200); 
}

void loop() {
  pvalue = analogRead(pot);
  fvalue = map(pvalue, 0, 4095, 0, 255);

  if (digitalRead(btn) == HIGH) {
    status = !status;
    delay(200);
  }

  if (status) {
    analogWrite(led, fvalue);
  } else {
    analogWrite(led, LOW);
  }

  Serial.print("botão pressionado: ");
  Serial.print(digitalRead(btn) == HIGH ? "Sim" : "Não");
  Serial.print(", intensidade potenciômetro: ");
  Serial.print(map(pvalue, 0, 4095, 0, 100));
  Serial.println("%");

  delay(100);
}