The 8 by 8 Dot Matrix Board
In this chapter, we will look at another method of displaying characters. We will look at using a dot matrix board. Initially, we will use just a single matrix display, and then we will move on to controlling four matrix displays cascaded together. Finally, we will write a program that scrolls some text along the four dot matrix displays.
After reading this chapter, you will be able to use the Max7219 driver IC to control a single 8 by 8 dot matrix display and a series of ...