MAX7219 is an integrated serial input / output common-cathode display driver, it connects the microprocessor 7-segment digital LED display with 8 digits, you can also connect a bar graph display or 64 independent LED.
Including a B-type BCD encoder chip, multi-channel scanning loop segment word driver, but also a static RAM 8 * 8 for storing each data. Only one external register is used to set the segment current of each LED.
Convenient four-wire serial interface can be connected to all general-purpose microprocessor. Each data can be addressed in the update do not need to rewrite all of the display. MAX7219 also allows each user to select a data coding or non-coding

Technical Details

Product Details

Package Dimensions
Width : 4.3 inch
Height : 0.5 inch
Length : 4.4 inch

Shipping Weight: 1.6 pounds (View shipping rates and policies)

ASIN : B01G1IWWMS