void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  // since analogWrite() dont work in esp32, other ways r used:
  // Setup(channel, frequency, resolution)
  ledcSetup(0, 1000, 8);
  // Pin(pin, channel)
  ledcAttachPin(14, 0);
  
}

void loop() {
  Serial.println(analogRead(34)); // slide btwn 0-4095
  ledcWrite(0, analogRead(34)/16); // /16 to get btwn 0-255
  
}