MAX7219 8X8 DOT LED MATRIX DISPLAY MODULE

The MAX7219 is compact, serial input/output common-cathode display drivers that interface microprocessors to 7-segment numeric LED displays of up to 8 digits or 64 individual LEDs. It includes on-chip BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8×8 static RAM that stores each digit.Only one external resistor is required to set the segment current for all LEDs.