The Arduino platform is great for making LEDs blink and driving small displays, but what happens when you need to display more complex information? For Project ColorTyme, I need to drive 6x 14-segment "starburst" style alphanumeric LED displays, but pins are at a premium. To solve the problem, we'll incorporate the MAX7219 LED display driver; however, it's an imperfect solution: The displays I'm using are common-anode while the MAX7219 is a common-cathode driver. In this video, we'll walk through wiring a 14-segment display to the Arduino, then wiring the MAX7219 to drive in common-anode mode while adjusting the code so everything comes out correctly.


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