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borfo

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Everything posted by borfo

  1. Here's an interesting board - a clone of the voices from the DR55 drum machine, without the sequencer. I bought two, I'm thinking I may build them into my SEQ on the DOUT chain. Four voices on each board - Snare, rimshot, hihat and bass drum, with accents. http://www.circuitbenders.co.uk/forsale/CB55/CB55.html
  2. I'm doing a mouser order any day now, but I'm in Canada. Happy to add on some SD sockets, but given that I'd have to ship to germany you may be better off buying them directly. Let me know if you'd like me to grab you a couple though.
  3. Have you tried searching the forums for "noritake"? You may find some information that way.
  4. I'll still take the knobs and 1 din/dout... edit: oh. I guess they're already gone.
  5. I'll take the LED ring boards and the waldorf knobs. How much would shipping be to Toronto, Canada? Actually, I guess I may as well grab 1 DIN and 1 DOUT while I'm at it.
  6. Go ahead and build the LPC core. You can always switch cores later, and you could use the LPC core for some other project. The SEQ firmware hasn't forked yet - the current firmware works on both cores. Or, you could build the STM32F4 core now if you want. > Is it worth it? When will it be available? Where can I find more info? maybe, now, midibox-shop.com > If I decide to go with the STM32F4 board, what boards do I need for external connectors? MBHP_ETH for ethernet, but only if you need ethernet - it's not required if you don't need ethernet. MIDI I/O module(s) for MIDI ins and outs. > What for USB and SD card slot? They're built onto the core board. > What about the CV/Gates port? Is it really needed if I don't have analog gear? No. But if you need CV, use an AOUT_NG, if you need gates use a DOUT. > What's the difference with MIDI I/O board and quad IIc_MIDI board? For one, the Quad IIc board is blue, while the MIDI I/O board is black. If you're using the STM core, build the MIDI I/O board. The IIc board will work on either the LPC or STM cores. > Can I install a BLM without the IIc_MIDI board? yes.
  7. I'm doing a mouser order any day now and have to get a set of SID parts for myself anyway... I could add in some encoders for you if you want, but it may not make sense to ship them to you if you're in Scotland - it may be cheaper for you to get them from Reichelt or something... I'm in Toronto, Canada. I'll probably be ordering in the next week or so - possibly over the weekend - let me know if you'd like me to grab you some encoders (let me know the mouser part #s and quantities you want).
  8. I've got two V4L frontpanels that I don't use anymore. If you can't find a PCB and don't mind getting one that's already completely soldered, I could sell you one of mine. Both have minor problems with a couple of the LEDs not lighting, but otherwise work fine.
  9. I'm building a mobile enclosure for my SEQ, BLM and a few synths. The plan is to make something that's portable so I can easily take a basic setup out to play places other than my living room. I'm also planning on including a battery power option, using a few external battery packs that hold Lithium-Ion 18650 batteries, so I can play outside this summer without mains electricity. Here's one battery pack that I'm thinking might work - it outputs various voltages: http://www.aliexpress.com/item/New-Adjustable-5V-12V-Mobile-Power-supply-18650-power-bank-USB-6-x-18650-Battery-Charger/2029641124.html Most of my gear won't be a problem to power - I have already run my SEQ, a BLM, and a synth for well over 6 hours on an external USB battery pack. A lot of my synth gear is DIY stuff, so power won't be difficult to wire up. Wiring an amp and speaker will also be relatively straightforward. I'd like to include my Emu Proteus 2000 in this mobile enclosure, and power it by battery too. It has an internal AC->DC PSU that generates 0.3A on the +12v rail, 0.3A on the -12v rail, and 3A on the 5v rail. But 0.3A appears to be more -12v current than a LT1054 can handle... Does anyone have any advice for building a battery power supply that can deliver .3A on -12v? The options that occur to me are: 1) run 3 LT1054's in parallel to get .3A of -12v. 2) connect two 12v battery packs in series, use the connecting point between the two battery packs as my ground, and the connectors on either end will be -12v and +12v. But instead of connecting all my gear to different external battery packs, I imagine it might be more power efficient to build one big battery pack, and one power supply circuit with 5v, 9v, +12v and -12v rails, and power all my gear from that one big battery pack. (anyone have a link to a decent circuit design schematic for something like that?) Does anyone have any comments or thoughts on what the best approach for a battery powered enclosure would be?
  10. Awesome! I'll try that myself later on today. Thanks for (hopefully) solving this little issue.
  11. So you've just installed the bootloader, and haven't installed an application? (eg: any of the apps listed in the STM32F4 Applications section of http://www.ucapps.de/mios32_download.html ) I'm not sure if the bootloader itself supports the filebrowser... If not, then the "not implemented by this application" message makes sense... You're connecting properly to your core with MIOS Studio, I guess. Can you execute commands in the MIOS Studio terminal? see this page for more info about the bootloader: http://www.ucapps.de/mios32_bootstrap_newbies.html What are you trying to build? A MIDIbox SEQ? A MIDIbox NG? Try installing an application, like the SEQ v4 project.hex (from here: http://www.ucapps.de/mios32_download.html ) or something, using the upload feature in MIOS Studio... The SEQ app implements the file browser for sure. So does the NG app.
  12. You might have better luck getting useful help if you let us know what hardware you're working with, what you're trying to build, what core you're using, what steps you've taken so far, etc. "Some things" doesn't really give anyone who would like to help you much to go on.
  13. Ilmenator, are the dual color LEDs by the buttons on the TPD module actually used in practice? I'm just getting around to assembling my second TPD board (with the right 7-segment displays this time), and I'm thinking that I'll mount the LEDs, encoder, matrixes, etc. directly on my custom Plexi frontpanel and run wires to the TPD PCB. I am thinking of using some panel mount LED illuminated switches I've got in place of the four TPD buttons, but these buttons are only single color LEDs... Should I go to the effort of wiring up bicolour leds, or is the second colour not really used on the TPD? ...and if I go with one colour, which leg of the bicolour LED socket should I wire to?
  14. ...and another item for the wishlist: copy/paste using the top row of step view buttons: ALT+step button copies that measure, keep holding ALT and press another step button to paste the copied steps into the second step view. Keep holding ALT and press a third, 4th, 5th, etc. step button to paste the copied steps into additional step views. Release ALT without pressing a second step button to cancel out without pasting.
  15. borfo

    [x] none

    I'll take 3 please! Edit: actually, make that 12. You never know when high quality [x] none like this will be available again!
  16. I'd take a couple. If the 4x6581 for 55€ incl. shipping in your first post is still a good offer, I'd do that... (or if the buy 4 get 5 is still good, I'd do that too...) I'm in Toronto, Canada.
  17. Little bug - 4 launchpad BLM, not sure if it happens with 2 - To duplicate: initialize a drum track (I'm using a 16 instrument 64 step drum track). program in some notes. Switch to a non-drum track using the BLM buttons. That works OK. Switch back to the drum track. Switch to a non-drum track using the buttons on the SEQ frontpanel. The LEDs for the notes on the drum track stay lit, and part of the vertical red step indicator is left behind. I saw some similar behaviour when clearing tracks using the SEQ frontpanel buttons.
  18. Can anyone recommend a cheap switch IC that would be a good choice to use to switch the connection to the frontpanel? It occurs to me that I could build a circuit to do this electronically rather than with a hard-to-find 10 pole mechanical switch... Would a couple of these HEF4053B be sensible ICs to design this switching circuit around? http://www.nxp.com/documents/data_sheet/HEF4053B.pdf Sorry for the dumb question, I don't do a lot of circuit design - I typically just build stuff that smarter people design.
  19. I've been able to find a few 10 pole switches, but anything more than that seems to be very hard to find, and very expensive. It would be fun "for science", but I'm not sure I'd even be able to find a 16 pole switch to switch the LCDs. I think it would be better to have separate LCDs anyway - that way you could still see what was happening on the other device. I'll order a switch and give this setup a try. Since the Wilba CS boards are relatively easily available, this would probably be of interest to others if it works. Doesn't quite meet the ultra-bling standard of your programma thing, but lots of knobs and buttons anyway.
  20. Thanks. Yeah, I think I'll avoid switching the displays. Two control surfaces would be nice, but I'm designing a mobile all-in-one case for my seq+BLM+a couple of synths, so any space I can save is a good thing... Lots of room inside the case for an extra core, but no room for a second control surface.
  21. Is there any reason why a Wilba SEQ frontpanel couldn't be used as a control surface for the NG? Assuming Wilba's frontpanel would work, would it be OK to connect and disconnect the frontpanel from a core module while the core module is running? I am thinking about installing a 10 pole 10PDT switch on the frontpanel's DIN/DOUT connection. I would connect the other side of the switch to two core modules, one running NG, and the other running the SEQ. The idea would be that I could use the same control surface to control both cores, and have both a SEQ and an NG in one relatively compact case. Connecting and disconnecting a control surface while the core is running seems to work fine, and doesn't seem to cause any problems. Is it safe to do this? Could repeatedly switching the CS (connecting and disconnecting it) damage the core? Connecting and disconnecting the LCDs also seems to work. Would that cause problems in the long run? I assume switching the LCD might be more problematic than switching the CS (also would need a bigger switch), so I'm inclined to just mount four 40x2 LCDs in the case, with two permanently connected to the SEQ, and two permanently connected to the NG, and switch only the control surface. ...is there any reason why this plan is a bad idea?
  22. However the Grids thing is implemented, I'd definitely have a config screen with editing of x-y position and densities. I've been thinking about building a recording function into the robotizer FX, so that you could use the robotizer to automatically extend one measure patterns to fill a track with variants of that first measure, or copy (evolve?) a pattern over to another pattern slot with variations... Implementing the same sort of thing for the Grids thing would also make sense. I think recording of the robotizer is probably already possible via the UTIL -> RECORD function with a loopback, but I haven't tried it. It would be nice if the RECORD function could record from output ports as well as input ports...
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