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About jojjelito

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    MIDIbox Guru
  • Birthday 11/21/1972

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  • Gender Male
  • Location Stockholm

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  1. SeqV4+ custom keycaps

  2. AINSER + CLCD display = more analog jitter

    A single USB won’t give you that much wattage to play around with. Plus, the USB power itself can be assumed to be quite dirty if derived from a cheap switcher shared with computer components. Your best bet would be to derive multiple voltages from 9VDC, or even 9VAC if you need bipolar voltage and no fancy solution for -12V from +9VDC (inverter or DCDC converter), then use multiple 78xx or 79xx with the addition of a 78/79xx compatible switcher for the digital VCC and OLED VCC. The Preen FM2 OLED saga is described here: Basically, shielding works. Separate power will also help.
  3. AINSER + CLCD display = more analog jitter

    Try to power the AINSER from a separate, dedicated PSU. Or try to power the display from it’s own PSU or regulator. Some older systems tried to keep these issues under control by providing VCC for digital stuff, well regulated V+- for analog electronics as well as AGND, plus a separate dirty DGND for digital, switching stuff. The Preen FM2 needs some care with shielding the OLED coil, or replacing it on the OLED PCB with a quieter model, that’s also worth investigating.
  4. Custom Keycap for the SeqV4+[CLOSED]

    Ditto! Please out me on the list.
  5. midiphy SEQ v4+

    Excellent video! Listening to it is very calming, it’s like an ASMR version of DIY 
  6. midiphy SEQ v4+

    Awesome videos! This is going to be a fun build once I get my paws on one of those. Both the build video and the SMT video are useful. IDK why people are afraid of SMT so anything that minimizes this anxiety is good  Well done!
  7. LoopA in Action

    @Hawkeye Haha, that - and a moaning Donna Summer! I'm soo looking forward to the release of this, it will be a great tabletop composition assistant  Plus, the bling factor is huge so that's a plus.
  8. Ah well, the other guys are trying but I trust MIDIbox, TK, Andy and Peter so a LoopA Will definitely fins its way into the workflow AroundMe these parts  Well done!
  9. LoopA Side

    Looking great! 
  10. LoopA in Action

    Le pr0n!
  11. 10K POT. w/ Push-Swith & RGB Shaft

    I'd be down for 20 of those post for some tinkering 
  12. One Voice in the Galaxy

    Nice work! I like how layered it sounds  Cheers! Johan
  13. Analogia

    Old-school and nice! The Strymons make everything sound less ProTools which can be a good thing ;) This summer is crazy busy, but it's nice to stop by and see that people still manage     
  14. Going Up

    Nice one! Greetings from Stockholm!
  15. core32 SID schematics

    There's nothing magic in the CEM3372. Some other CEM chips also support pole switching. Some, like the CEM3378/79 don't do it as easily. Better leave them for spares for the good old stuff like Chroma Polaris and such. If you want to see pole mixing done with readily available components you could take a look at the 4 Pole Mission Shruthi. The Ambika didn't realize a full version of that due to component count/cost, but it can certainly be done.