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Psykhaze

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  1. Psykhaze
    @Sauraen After documenting a bit more , i've learnt about crosspoint switches. Found this crosspoint switch in DIP package Link to the CP switch (CD22M3494) This CP switch could be driven by a dout ? So , as well as MCP600X OP-Amp looks fitted to audio apps and works in 5V, I think a nice postmixing design could be done based upon this CD22M3494 switch and 2/4 MCP6004? thanks in advance for your answer, Best regards, JK
  2. Psykhaze
    I think i found the idea for a DIY costless solution for velocity akai like pads! First part : I remembered about electronic drums and piezo sensors for velocity detection. I looked some around the forum but did not find any refs for a piezo that could fit. May someone advice me a mouser ref @Phatline Edit : is This Piezo ok ? (seems u used some piezo for your bongo trigger) Second part : I remembered that few peoples tried about moulding silicon buttons. An example Here Now with 3D printing you can easily make your moulds made from CAD design . I'll give a draw to this and try a sparkfun-like mould too. What do you think about this ? greets, JK
  3. Psykhaze

    RGB hue sweep

    Psykhaze replied to TK.'s topic in MIDIbox NG

    Is there any schematic on how to connect WS2812 LED (matrix?) to DOUT?
  4. Psykhaze
    Hi all , Was wondering about opening a KiCAD Section in the wiki? For tutorials , midibox libs etc... where should i put it? regards, JK Edit : A Frontpanel designer section could be useful too ?That's a soft that i think most of us use? Maybe create a "Softwares" Section?
  5. Psykhaze
    Ok then , just was wondering about the subject . As i also have a mpd32 , this was kind just a design concept, not something i was thinking going trough.
  6. Psykhaze
    From the email discussion with MPCstuff Sales, For thoses who wants to create all in one huge controllers with MPD-like pads :p . ( Latigid is right, 99USD is the price of a mpd218 , so it's not interesting to midify this if you only want the MPD-pad) But should fit for big on all in one designs Price for a pad set (silicon 4x4 pads+sensor) for mutiples units : 5 sets - $85.00 / set 10 sets - $75.00 / set 25 sets - $60.00 / set Maybe for those interested try to start a bulk order ? regards, JK
  7. Psykhaze
    Found kind a reply here http://wiki.midibox.org/doku.php?id=midibox_audiomatrix
  8. Psykhaze
    Hi, Just watched the entire video. A M A Z I N G !! You just made what i wanted to hear from an OPL3 (relation between params and the final sound). You made the things clear about what you were talking about. Must admit that in my "Step C" CS Design,i don't think if i really need the 18 op voices =D . The 2 voices+drums is ok to me . If parameters are "too advanced" or if there is too much parameters you don't really use all of them at the end. As you told many times in the video , with this 2 voices mode you already have access to crazy features of the OPL3 . And i'd like to use drum + leads meanwhile =) I now see clear in your Control Surface design. It has awesome features =) Especially the little drum sequencer and your chip D&B kicked my ass ^^ And you even did not went through your advanced blending interface (top right) ! Your advice has in the end really helped me trough my CS "Step C" Design. Thanks again for doing this =) Good night, Jerome
  9. Psykhaze
    @arumblack : sorry about that , good luck with ebay =)
  10. Psykhaze
    @Sauraen Your corrections applied to CS
  11. Psykhaze
    @Sauraen I will look your video from the start to the end , please be sure of the that ! So kind from you to explain so much tings . Many things to get in it i'm sure =) Just looked the 2 first minutes at the moment. Just was finishing some things before looking at it on calm. I'll add the OP buttons and invert KSL/KSR. Best regards, Jerome
  12. Psykhaze
    Had some advices about rack format . In order to be able to fit 2 Control Surface PCB in lenght in a rack format (440mm) , i've reduced the general frontpanel format to 220 x 165 mm. The PCB would be like 20mm less in lenght so 200mm width. Here are the corrections
  13. Psykhaze
    Here the last corrections applied regards, JK
  14. Psykhaze
    Hi again, After some rework here is the last version of the frontpanel . More clear to me =) I let you see Edit : Last hour corrections Regards, JK
  15. Psykhaze
    @Hawkeye Based on your advice, i will try to invert Routing / Drum section in order to have a common "Waveform" part and more encoders availables, as some parameters are redundant between the 2 sections (and that's normal) Will add a led to the envelope selector (OP/EG5/Drum) too Could you advice me about the quartz question for synthesis modules? thanks in advance, Jérôme
  16. Psykhaze
    Gave a SVN checkout to MIOS32 . My eyes are now wide open ! (have i also seen a SID_V3 directory? ) Some great stuff out there. Makes me wanna code. And C code is easier to get community evolved. Once again thanks to you all for driving me the good way. I waste less time. Now i "officially switched" (ahah) to CORE32 i wonder a bit about displays > MBFM routing / envelopes / waveform display for example or new menu to access new features not accessible on a Control Surface @Hawkeye Is there any other color backlight than blue on the newhaven screen you talked about ? Is there any 2x40LCD sized with kinda same look? Another general question : As i see a quartz on OPL3 / TIA / AY modules , are these quartz still useful with the new core or could a PWM signal from the core may replace them? Good saturday evening to all, JK
  17. Psykhaze
    Ok , i will start to make a list upon this thread =) Keep all of you tuned of when i receive the sample set , what the tests gives etc.. regards, JK
  18. Psykhaze
    I am buying a sample set of 20 YAC512 / 10 YMF262 this week. Will receive it in around one week. Will try test all of them, in order to be sure the components are good ( that may make things take longer , but i do not want to sell crappy components ) . that will be around 3 USD/€ per chip Edit : Forgot about the USD/€ Rate -_- Sorry.. 1*OPL3 pack = 2 YAC512 + YMF262 = 10 13 USD/ 10€ inc letter shipping 2*OPL3 pack = 4 YAC512 + 2 YMF262 = 18 22 USD/ 18€ inc letter shipping Feel free to ask questions Best regards, JK
  19. Psykhaze
    Hi all ! After making my mind agin and again , and as well as i have much work to do, decided to forget about even using a CORE8 in the MBFMX2 Design. Lesser Work is better on great projects =) When i began my Brainstorming, thought MBFM code was only ported to CORE8. So i started my Control Surface design upon TK Ctrlr interface (to have most params on view ) designed to drive one OPL3 with a CORE8. And thougth that i wouldn't have to deal with any synthesis features code , just would have to make the link between the UI (matrix) and all existing features . Then link cores and access params with offset shifting. But all of you are right. That's kind dead-in-the-egg project . Nobody or not much people will be able to help me when riding the code , i will probably may have big problems and will finish to give up. And that's really more easy to code in C than in assembly, even if i love assembly. Shorter dev times etc...And will be able to design even more features with Core32 . Have bought some protoboards, and already have a bunch of Rotary Encoders/LEDs/Swithes/Diodes. This will make CS hardware/software dev easier. Made some corrections about the CS design . I let you see . Any advice welcome. Best regards, JK
  20. Psykhaze
    That is just a design concept/question =) I have much work with MBFMX2 and will stick to it before anything else ^^ Did not said i will realize anything in this way. Just had this idea of a "post-mixing" module , something that could help mixing synth modules outputs in a funny way. And remembered about additive/substractive modulation matrixes. Then you have this thread :D Regards, JK
  21. Psykhaze
    HI Sauraen, Thanks for helping me =) My confusion was coming from http://ucapps.de/midibox_fm.html as it tells the LFO has 5 waveforms , and does not says about the drums. You answered me . I will give a review again to YMF262 Datasheet to understand things more deeply, but the link are sometimes hard to make between hardware and software features (>more features added with soft). The question goal was about being correct on the control surface design > (correct number of LEDs,encoders etc...) Did not knew that issue about MBFM v1.4 :( . I started MBFMX2 Design from TK Ctrlr virtual interface meant to drive one OPL3 . A core can drive an OPL3 and good features are coded. As my Control surface is designed to drive one OPL3 at once, i added a switch that would allow to choose between OPL3-1 or OPL3-2 parameters. So to me the big programming deal was about 2 things: - Code the Control surface UI in PIC/MIOS8 code : Control surface Inputs/Outputs : LED + Button matrixes / LCD Menus . - Give acces to the UI to the 2 cores chained, each one driving an OPL3.UI code should stick on master core Do not trying to create new synthesis features or whatelse , my start point was the Control Surface Design =). I am still not thinking that wouldn't be such a giant deal . I may be wrong . Anyway, thanks again for all your help Regards, JK
  22. Psykhaze
    Ok , great thanks for advice =)
  23. Psykhaze
    In order to build matrix driven additive / substractive post-mix module, (for blending synth output modules) Would someone advice me a good drivable op-amp that could achieve Mixing , Filtering and Amp functions? Few audio circuits detailed Here Principle of additive/substractive synthesis in the pic below. Greets, JK
  24. Psykhaze
    Currently discussing price with the supplier, keep you informed
  25. Psykhaze
    nice one =)
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