 //int navBtn = 0;
 
 // Nav button
-const int buttonPin1 = 0;    // upper right
-const int buttonPin2 = 2;    // select
+//const int buttonPin1 = 0;    // upper right <<< this pin reserved for programming
+//const int buttonPin2 = 2;    // select      <<< this pin reserved for programming
 const int buttonPin3 = 15;   // upper left
-const int buttonPin4 = 18;   // lower right << no signal - soldering issue?
+const int buttonPin4 = 18;   // lower right 
 const int buttonPin5 = 19;   // lower left
 
 // https://github.com/Serpent999/ESP32_Touch_LED/blob/master/Touch_LED/Touch_LED.ino

  u8x8.setFont(u8x8_font_pxplusibmcga_r);
  u8x8.setFlipMode(1);        //remove if screen is flipped

  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);
  pinMode(buttonPin3, INPUT);
  pinMode(buttonPin4, INPUT);
  pinMode(buttonPin5, INPUT);

   
  // LOW is button pressed
  u8x8.setFont(u8x8_font_victoriamedium8_u);   
/*  
  // Center button
  if(digitalRead(buttonPin2) == 0){
    u8x8.drawString(0,0,"X BUTTON");
