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Thanks for making me & my TeensyMIDIPolySynth "world famous for fifteen minutes" (as predicted by Andy Warhol) !! All of the credit goes to the Teensy 4.x & the associated Teensy Audio Adapter Board...

Forgot to post sooner that portamento/glide is now implemented in the latest firmware (as well as a variety of other additions), source for which is posted on my Google Drive...instructions for...

And here are a few more videos of my TeensyMIDIPolySynth in action:

(as a clarinet sound) : https://youtu.be/ka2uaDPyMTs

(as a accordion sound) : https://youtu.be/p1xfJp7eug8

(as a hammer...

I have posted a pseudo schematic for the TeensyMIDIPolySynth which shows the interconnects between/among the Teensy / MUXs / shift registers. It can be found by following the same link referenced...

My TeensyMIDIPolySynth continues to evolve (now up to firmware version 4.2 & counting). The LED drive conversion is complete & working very well. Formerly, the LEDs were driven from the MUXs. That...

RABB17 & XFer: Many thanks to both of you for the LittleVGL recommendation. I was not previously aware of this capability. I guess I know what I'll be playing with next !! I've been toying with...

I agree that the TFT would be a great addition (again, yet another reason why I need a bigger box !!). I did originally include that in my plans when I first started into this project. I have used...

OK, so here's yet another Teensy4-based MIDI-capable 16-note polyphonic 2-voice synthesizer . . . that's a real mouthful.

PERSONAL BACKGROUND: I am a software engineer by day, so I write software...