It doesn’t require any extra parts, just a 5-9volt supply. The A6281 is one of the most complete RGB LED driver ICs, but it’s only made in a tiny QFN package. The ShiftBrite is a good way to ...

That’s exactly what [Jay Hamlin] did when he built a digital clock based on LED filaments. The heart of the project consists of orange LED filaments similar to the ones used in vintage-style LED ...