Library for ILI9225, ILI9341, HX8347D, ILI9163, ST7735 in SPI mode
Install "Adafruit_GFX.h" library
Interface is always HARD-WIRED to SPI pins (except ILI9225)
ILI9225: only Uno, Mega2560 bit-banged on A0-A5 pins
HX8347D: only on AVR shields.
ILI9341: any Arduino
ILI9163: only 3.3V
ST7735S: only 3.3V