Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...
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The LedControl library provides a simple way to control a 4-LED setup on an Arduino. This library allows you to perform basic LED operations such as turning all LEDs on or off, counting up and down in ...
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