void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S2!");
  pinMode(10,INPUT);
  pinMode(11,OUTPUT);
}

void loop() {
  int potvalue=analogRead(10);
  int brightness=map(potvalue,0,1023,0,255);
  analogWrite(11,brightness );
  delay(19);
}