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 ...

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI Keypad ...