And now, with just the addition of a highfalutin LED and some software, the Teensy can output digital audio over optical fiber. S/PDIF, and more specifically optical TOSLINK, uses LED light sent ...

To get our eyes warmed up and popping, [James Best] has concocted a gargantuan 900-RGB-LED music visualizer to ... Under the hood, a Teensy is leveraging its DMA capabilities to conduct out ...