This example demonstrates how to use the navigation switch and detect if the SD card is inserted. The !INT pin of the GPIO expander IC (PCA9554) triggers an interrupt any time a button is pressed or ...
This is an example test library for the Epson XV7211BB using the 4-wire SPI interface. It is developed on the Arduino Zero or Teensy 3.6 development board (Teensyduino) and includes example ...