Max7219 / Arduino controlling LED Matrix

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Uploaded by on Jun 30, 2010

5x7 LED matrix driven by a Max7219 and controlled by an Arduino Duemilanove. Recorded by a camera phone, which smeared the image a bit.

Of course it says "HELLO WORLD" if turned 90 degrees clockwise. The two L's in "HELLO" blink separately, but my weak camera isn't clear enough to pick it up.

More information:
Wiring it all up
http://www.arduino.cc/playground/Main/MAX72XXHardware

Sample code
http://www.arduino.cc/playground/LEDMatrix/Max7219

Max Datasheet
http://www.maxim-ic.com/datasheet/index.mvp/id/1339

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