There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture for ...
Chip-On-Board (COB) Technology solders three very fine LED chips—one red, one blue, and one green, directly to the PCB Board resulting in a flat, uniform LED surface. This flat, uniform LED surface ...
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