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About jaytee

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    MIDIbox Tweaker

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  1. MB SID classic with 4x20 LCD setup question

    It’s been awhile since I looked but I’m pretty sure all that’s required is changing a single flag somewhere in the code.
  2. I know he had a baby not too long ago and had fallen a bit behind on orders. You might try contacting him on Muffwigglers?
  3. New eurorack modules from midiphy - preview

    Can’t get here soon enough! ;)
  4. midiphy SEQ v4+

    Any updates on the AOUT/DOUT eurorack modules? Just curious :)
  5. Unfortunately the SID play mode is not widely used...
  6. New entrant to the SID game

    The thing with C64 power supplies is that they have a reputation for failing, and failing in such a way that they take out SID chips with them. There’s also nothing about them that makes them particularly well-suited for a MIDIbox SID... They output two different voltages, which is marginally convenient, but the AC rail has to be rectified and smoothed anyway, so it’s really just better to go with a DC supply to begin with. The gist behind the “option e” power supply is that you’re generating your 5V rail using a switching regulator, which is a lot more efficient than a 7805 (way less heat). This lets you use a single DC supply to power the whole thing. It does require some small wiring changes to the PCB but nothing drastic or permanent (no trace cuts). The only other thing to keep in mind is the actual power connector. The Mb-6582 main board has pads for both a 7-pin DIN jack (what the C64 power supply uses) or a pin header to connect to a jack of your choice. I was originally going to use the pin header connection and wire up a standard 2.1mm jack, but as I was building, I found that the header pads are located so close to the rear panel that they interfered with the jack I was going to install (luckily realized this before ordering custom panels!). In the end, I got a 7-pin DIN jack (salvaged from a busted C64 PCB that someone gave me for the power switch) and just changed out the plug on the end of my wall-wart.
  7. New entrant to the SID game

    Here’s the solution Altitude came up with, I wrote the tutorial: http://www.midibox.org/dokuwiki/doku.php?id=wilba_mb_6582_psuopte
  8. New entrant to the SID game

    My opinion: don’t bother with the C64 PSU. I may be a bit biased, since I helped write the tutorial on building a single-supply MB6582 power section (see “option e” on the main MB-6582 page) but I don’t think it’s a great option.
  9. New entrant to the SID game

    You might try Julian at thebeast.co.uk, see if he has some ready. You can also have custom ones manufactured by a PCB company—sounds weird but turns out pretty nice. I did this and since you order in batches of five, you can sell the extras and come out even.
  10. New entrant to the SID game

    Modular Addict is the only place to get the MB-6582 boards. I thought Mike’s shop in the EU still sold the individual module PCBs but I just checked and couldn’t find it any longer. No way to test SIDs without putting them in something like a C64 or SID synth, unfortunately. I don’t suggest going to eBay if you can avoid it, lots of fakes there. Mouser link for the PT-10 case: https://www.mouser.com/ProductDetail/PacTec/82404-501-000-PT-10-BLACK?qs=sGAEpiMZZMsrGrAVj6eTvX3wYe7otpirD6i8T5sdE0E%3D
  11. MIDIbox SID Walkthrough

    I strongly suggest making a new thread, since none of this is directly related to TK’s tutorial. You want the control board and the main board, yes. I don’t understand your question exactly. But you can build all four cores regardless of whether or not there are SIDs inserted. Each core can be mono or stereo. You obviously can’t use all four cores unless you have at least one chip for each core.  Re: type of SIDs... I strongly prefer 8580/6582s. They’re more synth-like and work a little better. They don’t have quite the same overdriven saturation or character but they’re more versatile.
  12. DSA clears: spider-approved!

    Oh dear lord can someone post some more photos so this thing doesn’t greet me every time I visit the forums?
  13. Back from the dead!

    Like the others said, the MIDIbox SID project is by a single guy for the most part, but there have been some “remixes” that use the same basic code and circuits, just with specialized circuit boards to accommodate specific form factors. The MB-6582 is basically four core modules, four SID modules, and a handful of DIN/DOUT modules, all combined on a single board (and a second board for the control surface). It’s nice because the construction and components are standardized, and the entire process is really well documented.
  14. Back from the dead!

    I think I got this idea from Altitude, but instead of ribbon cables or headers, I just made a ton of short, individual jumper wires. This way if you get a bad connection you can just replace the one jumper instead of the whole ribbon.
  15. Back from the dead!

    Yup, definitely still a viable project. Quite a few people have built one in the last year or so. As mentioned, Modular Addict now sells the PCBs, and the forums are still relatively active with helpful people. I definitely suggest going for the Mb-6582 for the control surface and established construction techniques, but the original modular approach is still possible as well. Regarding the reuse of components from your original project... The SID is probably still good. You should check what kind of PIC chip you have if your build got to that point—it’s possible you were building a v1, which doesn’t use the same chip as the v2, but if you already have the v2 chip, you can probably still use it.