 
 #define BrightMax 255
 #define BrightMin 0
-int brightness_increment = -2;
 
 // read the buttons
 int read_LCD_buttons()

  lcd.print(line1);

  // assemble second LCD line
  line2 = "inc:" + String(brightness_increment);
  secs = String(millis()/1000);
  if(RTC.read(tm)){
    secs = "ok!" + String(tm.Second);

      if( brightness >= BrightMax ){
        brightness = BrightMax;
      }
      EEPROM.update(ADDR_BRIGHTNESS, brightness);
      break;
    }
    case btnLEFT: {
