LED Dot-matrix display

Driver MM5450 A dot-matrix display is a display device used to display information on machines, clocks and many other devices requiring a simple display device of limited resolution. Light emitting diodes aligned in a form of matrix constitute a dot matrix display. Arrangement of the LED's in the matrix pattern is made in either of the two ways: row anode-column cathode or row cathode-column anode. In row anode-column...