MSX-EQ - PSG equalizer viewer

I have the following news:
PCB is localized in the RBSC group.
A new version of the board has been developed, in which bugs have been fixed.
A convenient case made of translucent plastic has been developed:

Changed the display order of bars: high frequencies are now on the right.
New colors are now used, such as: red, red and green, blue and red (all discrete).
New video:
https://youtu.be/SXDI22wPhJE

A modification for ZX Spectrum has also been implemented:
https://youtu.be/czu8WWsEIOM

A small series of boards has been ordered, I really hope that I can send it to everyone.
Unfortunately, time is short, but I will try to keep you informed.

ps: My many try case:

Is your project based on the vizualiser by Yeongman Seo?

http://sharksym.egloos.com/5378893

PAC-V (as it is called) can be used for OPLL, PSG and even SSC (through a modified vgmplay), you can see here. It uses 1 music channels as source for 1 bar and as such is quite different.

It would be nice if MSX-EQ could support OPLL as well.

Hello all!
good news!
new version pcb check! - all right

RBSC group localizate MSX-EQ , project is free for use.
if you make MSX-EQ, please post a photo assembled pcb here.

http://rbsc.su/en/completed_projects/#0021_MSX-EQ

github:
https://github.com/RBSC/MSX-EQ

IMPORTANT!
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The RBSC provides all the files and information for free, without any liability (see the disclaimer.txt file). The provided information, software or hardware must not be used for commercial purposes unless permitted by the RBSC. Producing a small amount of bare boards for personal projects and selling the rest of the batch is allowed without the permission of RBSC.

Hello!
I have tried several inexpensive visualizers (called spectroanalyzers) that work with audio input. And I think that the spectrum analysis there is not real, the visualizers only flash beautifully with LEDs with a delay relative to the sound, but do not display the real spectrum.
offtop:
i try connect MSX-EQ to extension slot ZX Sinclair (clone Sizif-512) =)
it's possible!
https://youtu.be/H-H_maSVeoI