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    very nice, thanks for sharing!

    very nice, thanks for sharing!
  2. Wow, it looks lovely and i love the ideas for...

    Wow, it looks lovely and i love the ideas for sound shaping. Would be interesting to see/hear it in action! Nice work!
  3. I tried something similar yesterday (storing /...

    I tried something similar yesterday (storing / recalling the state of a sequencer to SD card) and decided to use the arduinoJson library for this (https://arduinojson.org/). I think using a json...
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    I can confirm what @drjohn has already reported...

    I can confirm what @drjohn has already reported to me a while ago (thanks for trying this @drjohn!): The current Polaron Hardware and Firmware work fine with a teensy 3.5, no problems at all so far...
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    wow, thats brilliant. Also love the other...

    wow, thats brilliant. Also love the other projects on your site
  6. Wow, awesome! Love the pan drum!

    Wow, awesome! Love the pan drum!
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    I've never tried to run the polaron with a teensy...

    I've never tried to run the polaron with a teensy 3.5. In terms of hardware layout, i don't see any problems, as the 3.6 / 3.5 seem to be pin compatible (as far as i can see) and i only use 3.3v...
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    Thanks Robin for posting this and the awesome...

    Thanks Robin for posting this and the awesome teensy!
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    I use delay() only in the setup function. Its...

    I use delay() only in the setup function. Its used for a short animation that lights up all leds when the unit its powered on. In the main loop i don't use delay (for reading the shiftregisters i use...
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    Made another video of the Polaron and Blofeld...

    Made another video of the Polaron and Blofeld both synced to ableton live. The patterns have been programmed in advance and during the video i'm playing with track mutes and pattern switches and of...
  11. Thread: Poll

    by a_guy_called_tom
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    I'm planning to use usb-audio as an alternative...

    I'm planning to use usb-audio as an alternative to analog out and read that the non-exact 44100 sample rate of the teensy can cause problems. If that really is the case, then i would be interested...
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    Hi, there is some great info on drum synthesis...

    Hi, there is some great info on drum synthesis here: https://www.soundonsound.com/techniques/practical-bass-drum-synthesis

    For a simple 808 like kick (not an exact reproduction though) i would...
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    Thanks, glad you like it! Interesting concept...

    Thanks, glad you like it! Interesting concept also on the shapeshifter project, love the included breadboard for trying out different sensors! Looking forward to see what people do with it.
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    The main reason for putting the chip and...

    The main reason for putting the chip and shiftregisters on the back is of aesthetic nature, i didnt like the green pcb of the teensy combined with the black of the main pcb. Secondly, i want to keep...
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    The PCB/hardware works fine for me (but i'm not a...

    The PCB/hardware works fine for me (but i'm not a electrical engineer, so there might be things a pro would do differently). There is an annoying ground loop, when the polaron is powered via Laptop...
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    [posted] Polaron DIY drum machine

    Hi all,

    To round off the recent wave of teensy based DIY drum machines, here's my take on the subject, the polaron (one can never have too many drum machines). The project is driven by my...
  17. Thanks Paul. Tried this, and it works - the flash...

    Thanks Paul. Tried this, and it works - the flash no longer runs out of memory. However as you pointed out, erase is slow and is now blocking the whole instrument for about 400ms.

    1) Since erase...
  18. Hi all, many thanks for your answers. I need...

    Hi all, many thanks for your answers.

    I need to have a fixed number of samples on the flash memory and they all have the same fixed size (eg. 8 samples, 256KB each). But i need to be able to...
  19. Heres a minimal sample that reproduces the...

    Heres a minimal sample that reproduces the problem. With a freshly erased flash memory, the code in the loop method executed 128 times. After that, a new file with the same name cannot be created...
  20. Hi, thanks a lot for your answer. Indeed it...

    Hi, thanks a lot for your answer.
    Indeed it seems that the flash chip is filling up and finally running out of space. I could verify this by counting the number of successful writes before the...
  21. Occasional problems creating a new file with SerialFlash/Teensy 3.1/Audioshield

    Hi,

    I'm building a drummachine/sampler using a teensy 3.1, audioshield and a W25Q128FV Flash chip to play samples from and record samples to. Im using the SerialFlash Library (version 0.3) to...
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    Hi Pensive, Thanks for sharing your progress,...

    Hi Pensive,
    Thanks for sharing your progress, information and code. its very valuable, as i'm also building a teensy based musical instrument (https://vimeo.com/129864363)
    Best, tom
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