MicroDexed - DX7 to go

Thanks for showing @MrBroccoli! I will try this soon for MicroDexed :smile:

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Wow! Super!! Thanks @MrBroccoli! )))

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I have Dexed installed on my PC, and seconds after reading @MrBroccoli’s post and clicking the link, I have several new DX cartridges to explore. Very cool, thanks MRBroccoli!

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Hello Chris…
I’m surprised by the place of the encoders… Never thought about placing them on any side, and have the display on top…
Is it comfortable to use ?
Sure, there’s no risk that your hand would hide the screen while tweaking parameters or selecting a preset…
anyway, your boxing is rather unique… Thanx a lot for showing…

The placing of the encoders on the side was more for convenience of building rather than ergonomics in use. Whilst I am debugging the hardware & flashing the software it is useful to take off the lid to access the electronics/press the reset button. With encoders on the side they are not disturbed by removing the lid - less chance of wires becoming unplugged. When I am fully happy, it will go into a nice slope fronted box but I need to solve the non functioning usb/midi problem first.

Yers, I understand… but still, is it comfortable ? Not much ? not at all ?

And btw, I was bored to open my microDexed each time I wanted to upload the new code that Holger had just sent me, so I browsed the net to find the pin chart of Teensy 3.6, and connected the 2 Program pins to an external button on the back of the case…
Now, I can enter the ā€œflashā€ mode without opening the case…
As you are using 4.0, I think, no need that I look to the images I made at the time, you will find the 2 pins (prog and GND) on any Tennsy 4.0 pin layout schematic… They are close to each other, and named ā€œProgramā€ and ā€œGNDā€ā€¦ There’s no mistery in this world…

Yes, it is comfortable to use - more natural than a horizontal control surface. However, I still think that a sloped front with the encoders and display at right angles to the view line would always be best.

I will look at the Program pins to see if they can be brought to the outside of the case when I rebuild it into a new housing.

Hi Holger,
I now have midi over USB working. The change I made was in config.h. The original code for a Teensy 4 was:-
276 #if defined(IMXRT1062) //Teensy-4.0
277 #undef MIDI_DEVICE_USB
278 #define MAX_NOTES 16
279 #define TEENSY4
280 #endif

I just commented out line 277 and it now works. I’m not sure what this original line was for so I hope there are no undesirable side-effects.

Hi Chris,

aaaah, right! This was undefined due to problems with the (old) TeensyDuino software for T_4.x, which had no support for USB-MIDI.

I will delete this line for the next release.

Regards, Holger


I love microDexed… It’s getting better and better each day…

On this track, only one instance is used, and no extra-processing has been done : this is 100% microDexed, inluding the effects (Freeverb Delay and Reverb)…
ā€œRhod Itā€ is a personnal preset… ā€œPaquitoā€ is a personal composition…
Hope you’ll enjoy it…

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I wish I could make you hear Eddy Louiss beautiful sounds, when he was passing his B3 through his vocoder… He usually did it live, and I’m not sure he ever used it on a record…
And unfortunately, there are no recordings on Youtube…

This is my own approach, using no vocoder, but taking adavntage of keyboard sensitivity to add some expression, and using microDexed’s built in Chorus, Delay and Reverb…
No extra processing, the goal is to make you hear microDexed nude… (and so sexy)…
Have a nice day…
Thierry

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Hi Holger, I’m about to get back to finishing up the uDexed kit I purchased from you, and in the meantime I picked up a Teensy 4.0 and 4.1. and would like to use one of them instead of the version the kit was for. Any suggestions before I get to work on it again?

Thanks, Leonard

Hi Leonard,

The current board is designed for the audio board Rev C. T_4.x needs Rev D due to a different I2S pin mapping. It won’t work out-of-the-box. I am planning to create an adapter PCB for my board which should be inserted between Teensy and board.

Alternatively it may work when placing the Rev D audio shield not on the main PCB but on top of the T_4.1.

Regards, Holger

Hi @all,

MicroDexed-1.0.0 is now ready and just commited/merged into the master branch. I hope there are no bugs left anymore… the user manual and the build manual are currently in the state of rewriting.

For information how to create a new firmware take a look at the wiki.

Have fun, Holger

[EDIT]: Currently the firmware allows audio-daisy-chaining / audio-thru, so you can add a synth (e.g. Zynthian) before MicroDexed and connect the output of MicroDexed to your PA. Both will be heared :slight_smile:. Volumes have to be changed on the devices itself - no need for a mixer!

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Hi Holger,
Just compiled & installed version 1.0.0 on my Tupperware MicroDexed - fantastic job. The tonal range is brilliant - from very low beefy bass to crustal clear highs - love it. My next job is to find a decent box to build it into together with a 20 x 4 display that I have already tried with it.
Well done
Chris

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20X4 ? Woaw… I wonder what tou will display on the 3rd and 4th lines… do,t hesitate to share…

News and weather forecasts :joy::+1:

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That:s useful, I guess…

On the settings screens (effects, for example), you can see all of the parameters that can be set on one screen instead of having to scroll off the bottom of the 2 lines to see what else is down there! Doesn’t really add a lot, but it looks nicer.

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I see… it helps having a mental image of the structure of the menu… Ok…

Btw… @C0d3man… concerning the info menu : it is displaying microDexed version… I would suggest that it would be divided on 2 submenus : 1) MD version, and 2) a webpage URL (though I guess it will not be easy to display it on a 2x16 screen)…

More info on
parasiTstudio.de

Or if you can use a scrolling function…