This is an example test library for the Epson XV7021BB using the 4-wire SPI interface. It is developed on the Arduino Zero or Teensy 3.6 development board (Teensyduino) and includes example ...
you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 ...
It's a solved problem, but I actually prefer a simple web UI.