const int potPin = A3;  // analog pin for the potentiometer
const int ledPin1 = 26;  // the number of the first LED pin
const int ledPin2 = 0;  // the number of the second LED pin
const int ledPin3 = 1;  // the number of the third LED pin
const int numLEDs = 3;  // number of LEDs

void setup() {
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
}

void loop() {
  // Read the potentiometer value
  int potValue = analogRead(potPin);
  
  // Map the potentiometer value to the range of LEDs
  int ledLevel = map(potValue, 0, 1023, 0, numLEDs + 1);

  // Turn on the LEDs based on the mapped value
  digitalWrite(ledPin1, ledLevel >= 1);
  digitalWrite(ledPin2, ledLevel >= 2);
  digitalWrite(ledPin3, ledLevel >= 3);

  delay(100);  // Adjust delay as needed to control the responsiveness
}