adafruit 2.8 tft lcd breakout board factory
The Adafruit TFT FeatherWing has a touch screen display on the front and a socket for any Feather on the back, including the Particle Argon, Boron, and Xenon. You can find technical information at Adafruit.
To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_ILI9341. Check that the Adafruit_ILI9341 folder contains Adafruit_ILI9341.cpp and Adafruit_ILI9341.
Place the Adafruit_ILI9341 library folder your arduinosketchfolder/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE