5Pcs MAX7219 Dot Matrix Module DIY Kit SCM Control Module For $300 - $500 When you pick from TRAPPEY'S¬

When you pick from TRAPPEY'S¬ line of pickled products

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5Pcs MAX7219 Dot Matrix Module DIY Kit SCM Control Module For $300 - $500 When you pick from TRAPPEY'S¬Descriptions: The MAX7219 is an integrated serial input output common cathode display driver that connects a microprocessor with an 8 digit 7 segment digital LED display or a bar graph display or 64 independent LEDs. Which includes an on chip B type BCD encoder, multi scan circuit, segment word drive, but also has a 8 * 8 static RAM used to store each data. Only one external register is used to set the segment current for each LED. A convenient four