void setup() {
      Serial.begin(115200);
      pinMode(26, OUTPUT);
      pinMode(27, OUTPUT);
      pinMode(28, INPUT); 
  }

  void loop() {
    int button = digitalRead(28);

    if (button == HIGH) {
      digitalWrite(26, LOW);
      digitalWrite(27, HIGH);
    } else {
      digitalWrite(26, HIGH);
      digitalWrite(27, LOW);
    }
    delay(50); // Prevent rapid toggling due to noise
  }