Want to buy a 8*8LED dot matrix screen, do you want 64 resistors? Single chip microcomputer!
Generally buy 8 transistors and eight resistors on the line
See what kind of work, and use the drive IC do not have to use. It takes 8 to scan, and 64 to light alone.
The 8*8 dot matrix screen is composed of 16 feet. 8 rows, 8 columns.. A total of 64 led components... In fact, the rows and columns are directly connected to the 2 IO ports to drive the dot matrix.. Or use special chips to drive the dot matrix..
