#include<Arduino.h>

void setup() {
  ledcSetup(0,5000,8);
  ledcAttachPin(18,0);
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  // put your main code here, to run repeatedly:
  for(int i=0; i<256; i++){
    ledcWrite(0,i);
    Serial.println(i);
    delay(5);
  } // this speeds up the simulation
}