loderbast

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loderbast
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  • that sounds reasonable. artsy fartsy SP1200 sounds like i am still in the target group ;) how far did you get with the eurorack proto design? seeing you post those pcb layouts made me think you almost had proto pcbs ready to be ordered. 
  • 'this still happening?
  • @korgz23: yes. the way i did mine it has pots for attack and decay :) as described above my analog circuitry is kind of hacked together. you should probably use at least a rail to rail opamp for the envelope if you do it similar to my schematic. (if…
  • since i built my wtpa2 some time has passed and i have used it in its "kind of working how i want" state and never looked at the firmware again. a few days ago kogz23 asked me for my firmware and how i did the envelope for my filter so i decided to …
  • ooks like there is also going to be this: https://www.muffwiggler.com/forum/viewtopic.php?t=150299  - "Reflex Live Loop Sampler"
  • i am kind of done and i posted a video in the showoff thread :)
  • here is mine: WTPA2 Sampler [sync to eurorack]
  • thanks a lot for your ideas, Todd!!! i think i got it working 98%. i am now in the process of finishing the hardware part of things and fitting everything inside my enclosure. i will be a few days before i'll have time to work on it again, but i'll…
  • ...it took ages, but i am finally back at it. (been bussy with other diy..) i have decided that i want multiple gates per loop round and figured out a way of implementing this even with adjustable "clock divider". problem is, i seem to run out of c…
  • i think my drawing would be a lot like what altitude posted. maybe you could use these kind of pots like here for example. for (some of) the cv attenuatiors and illuminated buttons instead of button + led for play/rec/overdub/bank to save some spac…
  • nice progress! +1 on what shifter said :)   also what does "Analog modulation of the sample output" mean? what gets modulated -  the volume? are there analog vcas or is it done in digital before dac?
  • great news. it is a bummer for me that is is not gonna be diy though. (i only have one non-diy module in my system) i hope you make it open source. i'll try to post some stuff that might be helpful to avoid some faupaxes, i think you might have to …
  • i haven't done any work on this in the last days but been thinking about where to go with it. what do you guys think how the triggers should act? trigger when looping only? trigger on start, and when looping? etc? one for bank0, one for bank1 or…
  • the leds only show a 3bit numer, 0-7 but the resolution is actually higher. (i believe 8 bit) to get to 0 try turning the encoder back to 1-1-1 and then forward again. 0 is right after leds switch off. it is the same for start/end/window. you can…
  • nothing set in stone right now but i think it wikk be triggers. @todd: if you want you can go on implementing the midi thing and i'll add my stuff to that afterward. i think it will be a few days before i have figured out if the behaviour it has ri…
  • made some progress creating a little release envelope and connecting a shruthi filterboard. here is a little (not very musical) demo
  • ok here is my code: wtpa_loderbast001.zip only globals.h and wtpa.c have changed. i put "//loderbast:" everywhere i changed something in a comment so you can use search to find my changes. at the moment triggers are only generated in loop mode. aft…
  • looks like i got it working. have some more testing to do and breadboard a little circuit to test around with it. i'll share my code as soon as i am confident everything is working right. might not be a big think for somebody who has experience pr…
  • nice. thanks. i'll get on it tomorrow  and report back soon.
  • turns out my c skills are not that terribly noobish after all. i am not totally lost and i (kind of) get what is going on. i already have PC6 making a tiny pulse when the sample in bank0 restarts its loop. yay!  :)  (i think the pulse is 1 sample l…
  • ok great. i managed to build and programm from source without to much trouble. now i'll dig into the code. there are probably some noob questions ahead...
  • @ tofino_waves: i would happily built it for you if that makes any sense shipping wise (i am in germany)
  • ^yes parallel to the buttons. ( i think i should not have used that extra 10k pullup by the way - because there is already one on the board.) hmm now you got me thinking about midi controll :) it might be even cooler if it would have all the contro…
  • thanks todd! i used 18k and the range is quite good.
  • i ordered like 3 minutes after the shop opened :)
  • those interns must have been facebooking a lot that day :) i missed some 51k Rs, too. did the R57/R56 thingy anyways because of the 5v mod but was still two 51k Rs short. i used 2x 100k in parallel for R34 and R32 for now because i had no 51k on st…
  • Just got my package from the damn customs Office. Those di&@h*#!s fished it out of the Mail like a week ago and waited till today to tell me. I had to Pay more money, too. (German customs are usually located at remote places. Lika a swamp or som…
  • I think in modular-diy-land it is quite commen to just offer Board (+programmes microprocessor) a bom or mouser cart ,Most of the Time assembly instructions and a build thread on the diy section on the muffwiggler Forum for troubleshooting and help …

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