A Shapefile is a GIS file in which vectors like points, lines, and polygons are used to represent geo locations like rivers, lakes, country boundaries, well, and more. Each of its elements or items ...
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 ...