| Here we present a direct-reading audio spectrometer using a microcontroller, a graphic equalizer chip, and not much more. Using seven vertic...
| Here we present a direct-reading audio spectrometer using a microcontroller, a graphic equalizer chip, and not much more. Using seven vertic...
| This circuit is not the very latest in hi-fi, but it may be of interest to those of you involved in producing sound tracks with (small-sc...