like pin 2.
Why?
1) getting basic TFT example code is a pain in the rear due to the amount of extra code required just to turn the LCD backlight on
2) to dim the LCD, you need to do PWM, and doing it via the port expander is too slow and too expensive to work well
like pin 2. Why? 1) getting basic TFT example code is a pain in the rear due to the amount of extra code required just to turn the LCD backlight on 2) to dim the LCD, you need to do PWM, and doing it via the port expander is too slow and too expensive to work well