With the BlueDisplay library you create the GUI for your application, e.g. Graphics, Text, Buttons, Sliders and Charts on the Arduino itself. No Android programming required! The Arduino is connected ...
The E-Paper display base class is a subclass of Adafruit_GFX, to have graphics and text rendering. It needs up to 15kB available RAM to buffer the black/white image for the SPI displays, double for ...