Of all the many questions that have been asked about issues they face when using the MD_Parola and MD_MAX72XX libraries, there are a few themes that keep re-emerging. In this article I’ll cover the top eight questions, their most likely cause and solution.
It is common for operating systems to use a hard disk swap files to increase the amount of available system RAM by swapping blocks(or pages) of memory between real RAM and the hard drive. As many applications use RAM linearly, this imposes relatively modest decrease in performance for the bigger benefit of increased temporary RAM.
It seemed to me that, for particular applications, this concept could be applicable to providing management of arrays to increase what could be stored in a microcontroller’s very limited memory resources.