control a max7219 drived led using arduino board material one arduino uno board one max7219 drived led board Connect Arduino Max7219 LED 8 --DIN 9 --CLK 10 --CSAdd on 5V power to the max7219 GND & VCC pins Code using the sample code to test the board.
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jiangshan00000Continue Reading »from Instructables: exploring - technology - robots http://ift.tt/1B89qZf
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