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this YouTube play button actually does something useful. It’s a PCB with 144 LEDs working together as a display. There’s an Atmel SAMD21 microcontroller on board to drive the LEDs, and an ...
this YouTube play button actually does something useful. It’s a PCB with 144 LEDs working together as a display. There’s an Atmel SAMD21 microcontroller on board to drive the LEDs, and an ...
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