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  1. Replies
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    15 seconds press did the trick. THanks!

    15 seconds press did the trick. THanks!
  2. All are running the same windows 10 OS, all used...

    All are running the same windows 10 OS, all used to run the same sketch and have no issue.
    I suspect this issue is some deep rooted USB audio issue, something to do not just with teensy but more so...
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    USB on Teesny 4 stop working?

    I have a teensy 4.0 that was working fine the day before. Connected today and i can get no usb connection. Tested another T4 and connects fine.
    The problem teensy has a sketch on it that briefly...
  4. OK. I had those in as well, will put them back. ...

    OK. I had those in as well, will put them back.

    Don't think those preventing it from working though, just tested on another PC and the audio is coming through.
    It works ok on another PC, but this...
  5. Thank you paul. While trimming the code I...

    Thank you paul. While trimming the code I mistakenly removed that.
    I'm going to edit original post to include the audio memory if tested and still not working.
  6. Teensy 3.5 stereo input not giving any output when it feels like

    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>


    // GUItool: begin automatically generated code
    AudioInputAnalogStereo adcs1; //xy=895.7777913411458,3966.2223307291665...
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    Will visual micro be compatible with all this?...

    Will visual micro be compatible with all this? Would I just need to create the keys from the arduino tool and then work as normal?
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    This is the biggest news ever for Teensies! ...

    This is the biggest news ever for Teensies!

    To be clear, the single .eHEX will be able to update multiple teensies, correct?
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    OK. Probably because i'm using the teensyduino...

    OK. Probably because i'm using the teensyduino install from about 2019 or so.

    Did they change anything in the code regarding that? Do you know?
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    Frank, your code works but i think it introduced...

    Frank, your code works but i think it introduced a bug.
    When I click record and stop in quick succession, the usb device quits communicating sound to the PC.
    I have to unplug/replug device for it...
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    KEep going Dresden-Fx, you doing well!

    KEep going Dresden-Fx, you doing well!
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    Can you point me to your library as i want to try...

    Can you point me to your library as i want to try it/include it
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    reroute patch cords after compilation?

    Is it possible to change this to this:


    // GUItool: begin automatically generated code
    AudioInputAnalog adc1x(A2); //xy=200.00001525878906,320.00000381469727
    AudioAmplifier ...
  14. Weird serial bug on T3.5 - stops working until interrupted again

    So i've this device has been used on hundreds of computers. But this one person is having a challenge.
    The device is a teensy serial/audio hybrid. And it reads digital pin interrupt and send data....
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    That was the first thing i tested.

    That was the first thing i tested.
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    Teensy 4.0 Detect USB presence?

    I have a section of code that outputs data to the USB serial, but this runs in the loop.
    I want to optimize the code to prevent it from trying to spit that out to USB isn't connected.
    All that...
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    Yup. One time flash, red silk screen, I'm all in.

    Yup. One time flash, red silk screen, I'm all in.
  18. Replies
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    I wouldn't mind this variant. Maybe a poll could...

    I wouldn't mind this variant. Maybe a poll could gauge the community interest in such a product?
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    So have I. If there is a donation page to buy...

    So have I. If there is a donation page to buy hardware or anything I'd contribute in to make it a working feature.
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    If you haven't done so already, check to ensure...

    If you haven't done so already, check to ensure the audio caps used in teensy are the NP0 types or if you can use film capacitors. Regular ceramics will be noisy.
  21. All I can say is thanks for the work you have...

    All I can say is thanks for the work you have done so far, and I await the external trigger control support whenever it is ready :-)
  22. Teensy 4.1 Stereo + Analog in possible?

    Hello Paul and friends,

    I am a long time user of the teensy 3.5. I use it in my audio device to process sounds along side 2 analog inputs. I have to be careful not to use the same analog input bus...
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    Simply A VIN pin separate from the 5V pin like...

    Simply A VIN pin separate from the 5V pin like most other dev boards provide. So if you want a naked 5V you have that pin straight from USB, but to power the teensy through its schottky you also...
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    Yes, but there are also schottky that allows only...

    Yes, but there are also schottky that allows only a 300mv drop, that leaves with 4.7v. Usually sufficient for most 5V circuit needs.
    even so, they can do external power - eventually most will need...
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    Yes, when powered with the VIN pin and then you...

    Yes, when powered with the VIN pin and then you have to do some serial communication with it powered up on the main system. Think automotive, machinery.
    My question is why not put a diode there and...
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    Damn, didn't even realize the 4.1 was already...

    Damn, didn't even realize the 4.1 was already released. Ok..
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    Teensy 4.1 Suggestions?

    I'm a big fan of the teensy and I've used them in a lot of low volume products I've made.

    I'm now looking on a challenge I've always had with the teensies and that's the back-feed diode...
  28. What happened was I was chasing a pop and click...

    What happened was I was chasing a pop and click artifact in the recordings and tried everything. AudioMemory was at 12. It went away immediately when I used 6. Out of curiosity I googled and found a...
  29. I found best results using 2x The audio memory...

    I found best results using 2x The audio memory usage.
    So if memory usage is 3, I use 6.
  30. OK just heard from Paul, he mentioned that even...

    OK just heard from Paul,
    he mentioned that even though having a 4.3V from regulated power and 5V from usb will probably work,
    it won't when the PC power drops to 0 (completely turns off) and at...
  31. Curious minds await. :-)

    Curious minds await. :-)
  32. Teensy 3.5 Goes dead in production? Needed programming, how to mitigate?

    I have a product that uses the 3.5 as a bootstrap/platform. It uses the Teensy 3.5 as a USB audio device. Now what happened was the customer complained that the device has stopped functioning....
  33. OK. I will contact you shortly.

    OK. I will contact you shortly.
  34. OK. I took a crack at moving around some stuff in...

    OK. I took a crack at moving around some stuff in the usb_desc file but to no avail. I guess it's bigger than me :)
    Would have to instruct my customers to disable the playback device then.
  35. Is it possible to disable the playback side of the teensy audio?

    I'm using a teensy to get some sound into windows. My problem is the software is playing through teensy and is very choppy. I'd like to know if there is a way from programming or configuration that I...
  36. OK, to understand this better, when you say full...

    OK, to understand this better, when you say full chip erase does this mean the bootloader will also be removed or just the sketch?
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    Was wondering if i could join AGND and GND.

    Was wondering if i could join AGND and GND.
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    That's what I did and it works OK now.

    That's what I did and it works OK now.
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    Ground loop sound, how to fix?

    Good day guys and gals,

    I'm using the teensy in an automotive environment. The sound recorded through the teensy is fine until i connect the teensy to the ground of the car.
    AGND is used on the...
  40. OK yes I realize that now.

    OK yes I realize that now.
  41. I'm unable to flash the device as a sound driver,...

    I'm unable to flash the device as a sound driver, therefore the audio tool doesn't work to that end. Maybe works as you have it, maybe as an independent audio device.
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    The bare minimum that presents the problem. I've...

    The bare minimum that presents the problem. I've added a line Serial.print("Works up to here"); to let me know when the program freezes. Moving line below the analogRead will show that it froze at...
  43. Does not work for Teensy 4

    Does not work for Teensy 4
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    Audio teensy froze during AnalogRead

    Is there some limitation with using the audio tool and analogRead (different pins)?

    My code freezes whenever it reaches that line that has AnalogRead.

    when I remove the audio design objects...
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    OK would really really really love that.

    OK would really really really love that.
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    Hello, wanted to move my project over from 3.2...

    Hello,

    wanted to move my project over from 3.2 to 4.0. It's an audio project (serial + audio)

    When trying to compile I only see serial option for teensy 4. Will this change soon or does the...
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    10 bits might would be fine for what I'm after....

    10 bits might would be fine for what I'm after. But still interested in knowing how to do the pre-DAC outpuits :-)
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    I guess I'll just use the Pt8 I have no...

    I guess I'll just use the Pt8

    I have no problem using a self configured DAC, but i still don't know how to wire it up in the gui to a set of pins that would allow for this.
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    I just want to be able to get a small analog...

    I just want to be able to get a small analog signal out after using the audio library. Can you verify that pins mentioned above will work? I'm planning for the device, I don't have it yet
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    No DAC on 4.0. Alternatives?

    I noticed my 4.0 doesn't have the DAC pin that the 3.2 had. Is it possible to use one of the other pins to do this?
    What do you guys recommend?
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