const int pwmPin = 5;
const int freq = 500;
const int resolution = 12;
float duty = 50;

void setup() {
  Serial.begin(115200);
  ledcAttach(pwmPin, freq, resolution);
}


void loop() {
  float pwm = duty/100 * 255;
  ledcWrite(pwmPin, pwm);
  Serial.print("Nilai PWM = ");
  Serial.println(pwm);
}