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  1. Parting ways with MBSEQ Control Surface PCB and parts kit and most of built and to be built DIY audio projects.   Comes straight out of my DIY audio box which seemingly have been left for far too long unattended, and life moves on at its own pace.  What you receive: MBSEQ Control Surface PCB in original plastic wrap MBSEQ Control Surface Parts Kit in original plastic wrap (SmashTV)  Encoders (17) !!! After taking the photos, I realized tactile pushbutton switches do not belong to this kit and you will need more anyways. They probably belong to another cool DIY project i had collected for many years. Anyways, if you think you'll have a use for them too, tell me so otherwise they wont be included. Crossing fingers so these terrific board, encoders and the parts kit would be a fast-forward track for somebody with true DIY spirit out there who could  enjoy it as much as one dreamt of.     Not looking to profit, Shipping from Canada or US at cost. Kartoshka
  2. Parting ways with most of built and to be built DIY audio projects and parts for them i kept over the years. Life moves on at its own pace, and my DIY audio box seemingly have been left for far too long unattended. Ebay listing  CNC-milled Acrylic Protection Screen for Character LCD 40x2  in original wrap, never used. Shipping from Canada or US at cost.
  3. Parting ways with the ultra-rare MBSEQ Heidenreich Case and most of other built and to be built DIY audio projects.   Comes straight out of my DIY audio box which seemingly have been left for far too long unattended, and life moves on at its own pace.  heidenreich.de product link Not looking to profit, Shipping from Canada or US at cost. Kartoshka
  4. And the final SEQ v4+ case! :)

    From the album Hawkeyes MB stuff

    This one uses a left-hand jog and activity matrix configuration, with green/red ("emerald green") color scheme! :) Enjoy and many greets! Peter
  5. From the album Hawkeyes MB stuff

    ... now with labels, in the final shade of blue! :) Many greets and enjoy! Peter
  6. A couple of days before the midiphy SEQ was announced here I started working on building my Wilba panel sequencer unaware that things were about to change and get a lot cooler.  I had prototyped an acrylic front panel on an epilog laser cutter and was thinking about ways to attach the panel to the control board.  I considered using metal spacers but have never really had luck with gluing metal to acrylic, so I though maybe use abs and use the Makerbot to print some spacers?  In the past few days I've whipped up these spacers and they have turned out really nice.  I was able to build them so they support the LCDs at the perfect depth to the panel.  My next panel will probably not even have holes for the LCDs, I'll just outline the windows with an engraving. I still need to build a bracket for around the main encoder, but there are a lot of little parts that I need to avoid around there so I left it as the last thing to do.  I wanted to share the files for everyone because they seem to be quite useful so far. The spacers are 1/4" depth and I use a 1/4" Acrylic panel.  I'll post a few more pictures later today. wilba fp brackets.pdf mbseq bracket L.stl mbseq bracket M.stl mbseq bracket R.stl mbseq bracket M2.stl
  7. Standalone_TPD.jpeg

    Standalone Track Position Display, which is plugged via D-Sub 9 Connector on my MBSeqV4.
  8. Line driver PCBs for sale

    I have a few line driver PCB's left which a don't use. Included in the photo are the finished PCB's for reference. PCB's will be sold without components. A set (1 receiver PCB and 1 transmitter PCB) is €5. Shipping to most European countries is €4. If you're interested in buying a set let me know where you live and I can verify the shipping costs.  
  9. Yesterday, I finished my MBSEQ V4 build. I decided on the following components for my version of the sequencer. STM32F4CORE MBSEQ CS: Wilba Control Surface BLM16x4: 16 x 4 button matrix TPD: Track Position Display 2 x MIDI I/O: MIDI interface, a total of 4 MIDI IN and 4 MIDI OUT DOUTX4: 4 x 8 digital outputs AOUT_NG: 8 CV outputs (1V/oct) I did think about placing the digital outs and CV out modules outside of the main sequencer using line drivers so the sequencer did not have to be near the modular synthesizer. I did test the configuration and it worked as it should. However, I decided against it as I wanted the sequencer to be a self contained unit with all functionality in one box. The diagram below shows that final configuration with connections between the modules. I started with the main panel. As I wanted to house the sequencer in a 19? rack case, all panels are compatible with the standard 19? rack dimensions. I downloaded a Front Panel Designer panel design from the Midibox forum and added studs to make mounting the control surface PCB and LCD’s a lot easier. Here is my version of the FPD file: mbseq_19in_io-v01.fpd Here is a picture of how the PCB's are mounted to the panel. The second panel contains the BLM16x4 and TPD modules. For this panel I also added studs to an existing design to make assembly of the panel much easier. And here is my version of the FPD file: TPDBLM_19_v02.fpd The third and last panel holds all input and output connectors. This is a custom panel designed by myself. All I/O PCB’s are mounted directly to the panel except for the DOUTX4 PCB which is mounted in the rack case and connected to the panel connectors with flat cables. The panel also provides 2 USB +5V connectors for connecting LED lights or other peripherals. The other 2 USB connectors connect to the core PCB and provide a way to upgrade the core board firmware and the MBSEQ firmware. If I had to do it again I would leave out the labels above the SYNC outputs. This is the FPD file for the panel: MBSEQ_IO_panel_2HE-v02.fpd For the case I ordered the Thon Rack Case 8U 12 RA from Thomann. My MBSEQ V4 fits perfectly in there. There is even about 1 HE left. I used a black panel to fill that space. On the bottom of the case I mounted the core module and the DOUTX4 digital out modules. I also installed a custom PSU (DC-DC converter) which provides +5V (for the core board and the USB ports on the I/O panel) and +12V/-12V (for the AOUT_NG module). I’m very happy with the end result. The panels fit neatly in the 19? case. The 19? rack in the case is a bit angled which improves visibilty of all display and controls. Here is the final result.
  10. Analogia

    Yo folks, no time for anything (the little one keeps us well-occupied), just dropping by to wish a happy midsummer time to all northern friends ;-) and to dump some (mostly) analog output to the forums ;-). It may sound a little melancholic, that's the feeling i sometimes get from such perfect summer days. Good to see some new developments on the MBSEQ and Core front happening, keep it up! Enjoy and many greets! Peter
  11. Going Up

    Hola, it has been a while, but times have been busy :-) ...finally found a use for that dust-gathering Virus C :-) (its vocoder really is not half bad ;-))   Thanks for watching and listening! Peter
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  19. SID Love

    No time for anything (sorry, Andy :-)) but the occasional MBSEQ jam ;-) Big thanks to Shuriken for providing the Anushri boards, what a great little synth! Have a relaxed winter season and thanks for watching and listening! Peter
  20. Fuel!

    Yo, in case i did not mention it during the last months: the MIDIbox sequencer is awesome! It allows you to flee reality (baby teething worries) for as little as half an hour and have fun, without pushing a mouse, without staring into a computer screen or getting involved in operating system updates at unpleasant times :-). It just works out of the box, the MIDI timing is way better than that of a multi-GHz multicore computer and everyone is happy with as little as 128kb ram (in the older cores)! :-) This one contains a few fun samples from an old car information system - 1980s era - and reminds me of childhood - i especially love the modulation on the "door is *open*" sample :-). Yes, bash it, hate it, do whatever, but thanks for watching and listening ;-). Have a great evening! Peter  
  21. 985 Kilohertz

    Hola, ... and... who would have suspected this... a new one, this one was "produced" with the little one sitting in her baby chair next to the synths and therefore, there were severe time restrictions (about 10 minutes in total, after a few tracks had been jam-prerecorded on the sequencer). Also, of course, it had to be a somewhat happy melody! :-D It is in a bit of a different format, it was created using only one hand, as the other hand was busy holding the camera and filming :). Hope you enjoyed it and hope to hear new music creations from you, too!  Many greets! Peter
  22. SID Fury

    Hola, after playing a game of Turrican I on the good old Amiga (and incidentially pressing "ESC" while having 23 extra lives, no joke, searched for the pause button :-)!), i managed to be somehow inspired and record a new retrowave tune in two hours :-). Only six tracks (+drums) occupied on the MBSEQ, but a lot fun was involved, so as usual, many thanks are in order to TK. for the AWESOME hardware (MBSEQ+MBSID)! :-D   And many thanks for the Anushri PCB + preprogrammed microcontroller, Shuriken! It is a really nice piece of kit! :-)   Thanks for watching and listening, Peter
  23. Hola,   it has been a while since the last photo tutorials - I really wanted to do this for some time, but there was always work or some other distraction... but now, there is some time to spend at the solder station :smile:.   This will be a documented one-time build for a MIDIbox member, who is an industrial designer and wants to create his own MBSEQ enclosure and frontpanel (thus the non-standard control surface LEDs). Am very eager to see the end result :-).   Each step will be photo-documented and contain parts lists, where possible - hope you enjoy the build documentation and that it may be some help to other people wanting to build a MBSEQ, who may yet be intimidated by the amount of parts necessary, the soldering or the software configuration.   I will try to structure this tutorial in such a way, that progress is quickly visible - and that you do not need to assemble everything before "turning it on" the first time. The faster some progress is visible, the higher the motivation to continue building... :-)   The MBSEQ is the most awesome piece of music gear, that I own - many thanks to TK. and Wilba, who made it possible!   Enough talk, let´s get started :-)   Many greets, Peter   Here are links to other existing photo tutorials: Custom SEQ V4 (DIY control surface, VFDs, ebony wood carrier):   MB6582 Control Surface:
  24. Mnemonic Mantra

    Hola, it has been a while and it is great to see others posting their sound output in this forum section as well, please keep it coming! :-)... Here is a new late night live jam session, this time with a pair of C64 SIDs (8580) (one engine in the MB6582) and their spiritual successor, the Ensoniq ESQ1/ESQm. Both synthesis engines feature three oscillators per voice, the ESQ1 offers more waveforms, improved envelopes and modulation possibilities and an increased audio quality.     Bob Yannes (the creator of the SID and founder of Ensoniq) once stated, that he (given he would have had the time and resources) would have liked to put the ESQ1 architecture instead of the SID sound architecture into the C64. In a parallel universe, this has probably happened, hehe :-). Many greets and thanks for watching and listening! Peter
  25. Hola, End of year holidays = build time ;-) Here is a new specialized "form factor" for a MBSEQ, that is based on Wilbas CS PCB and the new STM32F4 board. Of course, it involves a bit of DIY to achieve the flatness, some connections have to be soldered without IDC connectors, and U-shaped aluminum rails have to be cut, but no problem! :-)   Tech specs: * "Slim and wide" MBSEQ V4, only 21mm high, about 70 cm wide * 40x2 OLEDs for high screen update speed and low power consumption * Pushable encoders for accelerated scrolling/note input * Battery powered for high mobility and no necessity to carry around a PSU for a jam session with friends * High quality omron tactile switches for a few million cycles (at least that is what they are advertised for) * Green transparent acrylics base and side panels for ambient light gathering and green beam emission :-) * Additional bling and functionality achieved with the TPD board :-) * Laser engraved Manga, that has been "inked" for a higher contrast :-).   More pictures will be added, as the build progresses, but so far things are looking good! The battery is a 6 cell 2700mAh AA NiMh soldered pack, that can be recharged with a simple wall charger (the charge port is installed in the upper aluminum rail). A small integrated high-efficiency switching PSU converts the 6 - 9V from the battery pack down to a stable 5V. USB powered operation is optional and switchable. The battery actually lasts for many hours, i have not managed to drain it during the assembly test time, I guess it should be good for at least an evening of jamming, but maybe even 10 hours (current not measured, yet). Using NiMH and not LiPo batteries was a requirement, due to easiness of charging and battery safety. This unit was especially built for use on a MIDIfied piano. It fits perfectly on the central noteholder and after attaching just 2 midi cables, one is ready to jam :-). The amount of MIDI ports has been reduced to 4, as more is not necessary for that usecase, but an additinal four MIDI ports can be stacked on top (right side of the unit, see a picture, that is posted later on ;-)). If you are interested in the Formulor/Ponoko plans or have general build questions, say a word, and I will make them available publicly and give advice on how to build it. Hopefully, you are enjoying the report and maybe get some ideas for building a non-standard SEQ? :-) It is the best hardware sequencer on this planet and deserves some customization efforts to create a unique, personalized unit! :-) Many greets, Peter