[Alan] has been working on driving this WS2811 LED module with an AVR microcontroller. It may look like a standard six-pin RGB LED but it ... pixels with a 16MHz AVR chip. They use single-wire ...

So [Sjef] built this DIY radio and shares the details in this recent Spectrum post. Unlike older radio-on-chip devices, the TEF6686 is a DSP, which, according to the post, is part of the reason it ...