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    Here is the design: 23219 Here is the code:...

    Here is the design:

    23219

    Here is the code:


    //DRONE
    //three sine oscillators - very close - creates modulations in amplitude
    // PINK NOISE + FILTER
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    Hi luni - thanks for the link - I tried it but I...

    Hi luni - thanks for the link - I tried it but I am still experiencing issues.

    I think the best thing for me to do is make my project more simple to try to identify the issues.

    It seems that...
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    Hi rolf, thanks for that. I can order a MCP3204...

    Hi rolf, thanks for that.
    I can order a MCP3204 to test
    I was hoping that using the teensy audio shield (4+ rev D / 3.2 + rev c) would be able to deliver usable output.
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    I tried using 5k pots and the tones are a lot...

    I tried using 5k pots and the tones are a lot more stable - thanks MarkT.

    There is still a little wobble, and some audible clicking - like a clock in the background.
    Is that likely a programme...
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    "Adding 100uF or more across the supply may tame...

    "Adding 100uF or more across the supply may tame this".
    Would this be an electrolytic capacitor between + / - ; the negative leg of the capacitor to ground and positive to 3.3v?
    The device should...
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    Many thanks for your feedback MarkT - I'll try...

    Many thanks for your feedback MarkT -
    I'll try changing pot values for a start and then try adding capacitors.
    I think making the traces wider is easy to do on eagle.

    Do you have a link to more...
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    potentiometer controller for Teensy (D&D)

    Hi
    I've been working on a little controller PCB with some extra pads for experimenting/hacking.

    https://hackaday.io/project/174682-dd-teensy
    https://github.com/bjc01/D-D_Teensy

    I was working...
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    After searching around other forums I found I had...

    After searching around other forums I found I had to modify my port settings, and now things are talking to each other again.
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    Nuts and Volts Synth

    I tried to follow the notes and volts tutorial
    https://www.notesandvolts.com/2018/05/teensy-synth-part-1.html
    I am unable to get anything to work.
    I tried updating to the latest version of...
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    I've just finished going through all the ten-turn...

    I've just finished going through all the ten-turn pots I have available with the multimeter.

    Most of the ten-turn pots (x15) are 5k, these are the ones showing clear issues,
    from no variety...
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    Thanks for the advice - I have tested a number of...

    Thanks for the advice - I have tested a number of pots from the batch I bought and found that there were a few with issues.

    There were a number which showed print monitor readings which were...
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    Ten turn potentiometer

    I am making an audio device using teensy 3.2

    I was hoping to use ten turn pots to control some of the parameters,
    example:...
  13. // Advanced Microcontroller-based Audio Workshop...

    // Advanced Microcontroller-based Audio Workshop
    //
    // http://www.pjrc.com/store/audio_tutorial_kit.html
    // https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
    // ...
  14. Tutorial help - 'waveform1' was not declared in this scope

    I am trying to go through the video tutorial but I have become stuck.
    Part_2_08_Oscillators
    I get the following message,
    "'waveform1' was not declared in this scope"

    I am using a teensy 3.2 and...
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