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MP-32 : Pi based MT32, GM, ... module

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Reply 80 of 102, by arthur071169

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Hoping this has not stalled. 🙁 on a side note, my SC55 up and died, so now I have zero midi and am reluctant to buy another old unit in case it goes the same way. This project looked to possible offer multi device 'emulation' (Hey, MUNT sounds great and that is definitely software emulation of the physical device). At this point even it it were just a box with decent display, and worked I would be thankful.

Reply 81 of 102, by dreamblaster

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still in the pipeline

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Reply 82 of 102, by cyclone3d

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arthur071169 wrote on 2021-04-22, 13:23:

Hoping this has not stalled. 🙁 on a side note, my SC55 up and died, so now I have zero midi and am reluctant to buy another old unit in case it goes the same way. This project looked to possible offer multi device 'emulation' (Hey, MUNT sounds great and that is definitely software emulation of the physical device). At this point even it it were just a box with decent display, and worked I would be thankful.

Did you check the power adapter to make sure it is working?

What about taking the cover off the SC-55 to see if you can see anything obvious provided the power supply is working?

Could even be something as simple as the power plug solder connection cracking.

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Reply 83 of 102, by arthur071169

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Fantastic news.

I have seen a PI MT32 project that accepts DIN mini in, and uses the bootable slim OS Raspberry PI image (MUNT baked in!), with a HAT for user interface and to allow selection of Soundfont.
This sadly is an ongoing project and no guarantee of when even preorders for the unit can be expected.
It does look great (really!), but no other projects seem to be near completion aside from the Mister PI MT32 project. (again, uses a Raspberry PI and the same bootable image).
It is specifically geared towards a Mister, which is great if you have one, not so great if you are looking to put this alongside a real Dos PC with SBlaster card output to DIN in Midi unit.

Patience is a virtue, and the only thing from making me (ultimately regret) buying another 20+ year old Midi unit.

dreamblaster wrote on 2021-04-22, 19:50:

still in the pipeline

Reply 84 of 102, by appiah4

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Creating a Raspbian install that auto launches Munt and directs USB MIDI to Munt and Munt output to Audio out (or USB DAC) is pretty simple. All you need then is a functional (not a ceapo chinese one) USB MIDI interface. I know you can get the MIDI In via the GPIO headers as well but this setup works for me quite well. I look forward to buying an MP-32 from Serge as soon as this is available though 😀

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Reply 85 of 102, by BraveToaster

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Is this in any way related to https://github.com/dwhinham/mt32-pi or will it be compatible with that software?
Hardware for that project is also here: https://www.arananet.net/pedidos/product/pi-m … ry-pi-preorder/ - but currently out of stock with no current estimate when it will be sold again, but Edu Arana did tell me that he's planning to sell it again sometime.

Reply 87 of 102, by dreamblaster

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mihai wrote on 2021-05-04, 10:15:

I look forward to seeing this project ready to ship, l am ready to buy one; it should have a proper commercial grade enclosure, not loose PCBs.

yes i want to make it a great enclosure
it will take time, it is on hold due to other projects taking priority

Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
S2+X2 special bundle : https://www.serdashop.com/DreamBlasterBundle
Thanks for your support !

Reply 88 of 102, by arthur071169

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At this point, I would take a generic or even NO enclosure in order to get the thing up and running and in our hands, with the option to then put it in a customised enclosure when the final design has been completed.
The case could be an upgrade to the device.

dreamblaster wrote on 2021-05-04, 16:45:
mihai wrote on 2021-05-04, 10:15:

I look forward to seeing this project ready to ship, l am ready to buy one; it should have a proper commercial grade enclosure, not loose PCBs.

yes i want to make it a great enclosure
it will take time, it is on hold due to other projects taking priority

Reply 89 of 102, by dreamblaster

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arthur071169 wrote on 2021-05-12, 09:59:

At this point, I would take a generic or even NO enclosure in order to get the thing up and running and in our hands, with the option to then put it in a customised enclosure when the final design has been completed.
The case could be an upgrade to the device.

dreamblaster wrote on 2021-05-04, 16:45:
mihai wrote on 2021-05-04, 10:15:

I look forward to seeing this project ready to ship, l am ready to buy one; it should have a proper commercial grade enclosure, not loose PCBs.

yes i want to make it a great enclosure
it will take time, it is on hold due to other projects taking priority

would you be interested in a prototype ? pm me

Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
S2+X2 special bundle : https://www.serdashop.com/DreamBlasterBundle
Thanks for your support !

Reply 90 of 102, by dreamblaster

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updated pcb
- USB-C input
- DC barrel input with high current switcher
- change to tiny connectors for more elegant connection of buttons and pot

new wires still todo,
Changes to enclosure in progress

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Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
S2+X2 special bundle : https://www.serdashop.com/DreamBlasterBundle
Thanks for your support !

Reply 92 of 102, by dreamblaster

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SScorpio wrote on 2021-05-15, 14:28:
dreamblaster wrote on 2021-05-15, 14:04:

updated pcb
- USB-C input

Is that used with the MiSTer with a standard USB-C to USB-A cable, or is the port for power or something else?

USB-C is for using a power adapter :
there are 2 power options :
DC barrel jack or USB-C
both option power the board and the pi, so the mp32 only needs 1 power input. (either the usb c adapter of your pi, or a dc barrel adapter)

Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
S2+X2 special bundle : https://www.serdashop.com/DreamBlasterBundle
Thanks for your support !

Reply 95 of 102, by dreamblaster

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it will take more time to perfect the MP32 case
meanwhile i also made an MP32-LITE, which has hat formfactor
maybe that makes sense too? (if there is any interest, will make a separate thread for it, it looks different than MP32, but same principle of course)

Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
S2+X2 special bundle : https://www.serdashop.com/DreamBlasterBundle
Thanks for your support !

Reply 96 of 102, by hard1k

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It's always interesting to see your projects, so go ahead! 😁

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Reply 97 of 102, by appiah4

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dreamblaster wrote on 2021-05-15, 18:00:

it will take more time to perfect the MP32 case
meanwhile i also made an MP32-LITE, which has hat formfactor
maybe that makes sense too? (if there is any interest, will make a separate thread for it, it looks different than MP32, but same principle of course)

I'm currently building an mt32-pi-midi-hat for myself as a fun soldering project and I'd be more than happy to hear about this, or buy a kit if you have one you want to sell for testing etc.

Retronautics: A digital gallery of my retro computers, hardware and projects.

Reply 98 of 102, by arthur071169

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A perfect idea!

dreamblaster wrote on 2021-05-15, 18:00:

it will take more time to perfect the MP32 case
meanwhile i also made an MP32-LITE, which has hat formfactor
maybe that makes sense too? (if there is any interest, will make a separate thread for it, it looks different than MP32, but same principle of course)

Reply 99 of 102, by dreamblaster

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ok i create a different thread for this MP32L -> MP32-Lite
This will be ready faster than the full blown MP32

Visit http://www.serdashop.com for retro sound cards, video converters, ...
OPL3LPT, X2, S2, S2P, MCE2VGA, ... many projects !
S2+X2 special bundle : https://www.serdashop.com/DreamBlasterBundle
Thanks for your support !