#define led1 15
#define led2 14
#define pot1 34
#define pot2 4
// 0 - 4095

void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(pot1, INPUT);
  pinMode(pot2, INPUT);
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  int val_pot1 = analogRead(pot1);
  int val_pot2 = analogRead(pot2);

  int new_value_led1 = map(val_pot1, 0, 4095, 0, 255);
  int new_value_led2 = map(val_pot2, 0, 4095, 0, 255);

  analogWrite(led1, new_value_led1);
  analogWrite(led2, new_value_led2);
}