The pains he went to to get the spectrum analyzer working, including a deep dive into FFT, are impressive. The results speak for themselves on this one, and hats off to [Rodmg] for the effort and ...

It is hard to categorize exactly what it is. On the face of it, it is a USB scope and logic analyzer. But it is also a waveform generator, a DC power supply, a pattern generator, and a network ...