2.8 inch tft LCD displays / Max Brightness / Startup White Screen / mirror text for Head Up Display Usage hi does anyone know how to

1) set Max Brightness 
2) change the start up splash screen from being white to black 
3) how to change settings so that text can be mirrored so when display is reflected into mirror or glass window the text reflects onto the mirror / glass so that it is readable

The code from the sketch may answer some of your tecnical question re the environment i am working with

#include &lt;Adafruit_GFX.h&gt;    // Core graphics library
#include &lt;Adafruit_TFTLCD.h&gt; // Hardware-specific library

#define LCD_CS A3 // Chip Select goes to Analog 3
#define LCD_CD A2 // Command/Data goes to Analog 2
#define LCD_WR A1 // LCD Write goes to Analog 1
#define LCD_RD A0 // LCD Read goes to Analog 0
1) set Max Brightness 


You set the brightness of the backlight (usually) using PWM.


  2) change the start up splash screen from being white to black 


That's not a splash screen. That's just the back light being on before the screen is initialised. Just don't turn on the back light until you need it.


  3) how to change settings so that text can be mirrored so when display is reflected into mirror or glass window the text reflects onto the mirror / glass so that it is readable


Either do it in software (tricky) or look at the MADCTL (many have it called that) register in the datasheet.  The library probably won't support it, but it's part of how it deals with display rotation, so you could examine that function and compare it with what's in the datasheet (hint: 180° rotation is actually flipping both the X and Y axis).