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 an on-chip BCD code-B decoder, multiplex scan circuitry, segment and digits 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. Features: MAX7219 Driver Board A single module can drive an 8*8 common cathode matrix Module with input and output interface, supporting multiple module cascade 4 fixing screw holes, 3mm aperture, can be fixed with M3 copper column Specifications: Input Voltage: 3.7 to 5.3 V Input Current: 320 mA Dimensions:3.2cm X 3.2cm X1.5cm Application: Bar-Graph Displays 7-Segment Displays Industrial Controllers Electronic Panel Meters LED Matrix Displays Display symbols, simple graphics, and texts. Package Includes: 1 x MAX7219 8×8 dot LED Matrix Display Module.
