Bob picked up a huge LED matrix sign on eBay that has power supply problems. After fixing the power supply, he decided to replace the controler boards with an Arduino.
Via Hacked Gadgets.
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Bob picked up a huge LED matrix sign on eBay that has power supply problems. After fixing the power supply, he decided to replace the controler boards with an Arduino.
Via Hacked Gadgets.
i want a thing like that… how much it is??