Happy Holliduino?! I whipped this up Friday afternoon after a costume party invite. It normally says "LANE ENDS MERGE RIGHT" and can be hacked to say "CAUTION! ZOMBIES! AHEAD!!!" I used an RBBB arduino board from Modern Devices to control an 8x32 LED display from Sure Electronics. When you open th…

Scrolling LED Traffic Sign, Hack to Warn of Zombie

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