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Type: Posts; User: apleschu

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    Audio codec (encode and decode) for teensy?

    I am looking for an audio for teensy (real time encode as well as decode). I am trying to put together my own HT with the use of a DRA818 module. (http://www.dorji.com/docs/data/DRA818V.pdf) But...
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    fft library behavior

    Today I learned the hard way that that when you read values from the fft array i.e.

    double value = fft.read(1,5);

    you CANNOT come back and execute

    double val = fft.read(3,7);

    The values...
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    Curious: What did you have to change in order to...

    Curious: What did you have to change in order to get ucglib to compile for a teensy? As it is it does not compile and I rather not re-invent the wheel.
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    I apologize for not responding, thank you for...

    I apologize for not responding, thank you for pinging.

    I shortened the wires to no more than 4 inches, but the effect is the same. If I use hardware spi on 7,14 I have a lot of noise in the...
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    I'll try with shorter wires. Thank you for...

    I'll try with shorter wires. Thank you for testing.
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    Hi Paul, Thank you for the test ... I think I...

    Hi Paul,

    Thank you for the test ... I think I saw the problem in your video also, but it was not as pronounced as on mine, because you were talking and thus it seemed to overriding the fft ...
    ...
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    Ask and ya shall receive

    Ask and ya shall receive
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    Hey Paul, I have been running forums for the last...

    Hey Paul, I have been running forums for the last 18 years and had the same problems. In order not to make the spammers aware what they need to do, or not, please get in touch with me on a different...
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    Same version. I just tested, that command is not...

    Same version. I just tested, that command is not needed in the test version. That is more preparation for the real product, when it runs on battery and I will need to limit current draw.

    That...
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    As requested ... here is one file that shows the...

    As requested ... here is one file that shows the problem. Look for the definitions of CLOCK_PIN and DATA_PIN. if you change it to 7/14 you will see the problem in the FFT data as well as on the...
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    I apologize for the files missing, I thought the...

    I apologize for the files missing, I thought the pertinent files are enough. The other files are "just" different effects.

    I did a little bit more development on the project and the volume on the...
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    Yes, this looks similar. Because it is the other...

    Yes, this looks similar. Because it is the other side of the equation.

    As for RunningAverage: https://github.com/RobTillaart/Arduino/tree/master/libraries/RunningAverage

    Effects.h



    /*
    ...
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    Just wondering if there are any thoughts on this...

    Just wondering if there are any thoughts on this problem?
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    My MacBook decided it had to reboot/update right...

    My MacBook decided it had to reboot/update right while I was writing the post, so here is the second part with all the documentation:

    So, here is the setup that works. (The LEDs connected to 6 and...
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    I highly doubt this is an analog problem since...

    I highly doubt this is an analog problem since the audio comes from the mic on the audio shield, but I see your problem in deciding what it could be. I was just on the iPad yesterday evening when...
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    Teensy audio and FastLED SPI?

    So here is my predicament: the project I am working on calls for about 2000 LEDS, triggered and modified by sound. Specifically it will be a wearable LED installation for burning Man. Everything...
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    Well, I think I solved the problem myself. My...

    Well, I think I solved the problem myself. My code allowed to crank the gain on the mixer up to 5.0/3.0 depending on which version. Looks like those high frequency artefacts are coming from the mixer...
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    Since I have time, before somebody complains,...

    Since I have time, before somebody complains, here is the code for the problem above:

    Main file:


    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include <SD.h>
    #include...
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    Analog Noise on A0, A2 but not on A9?

    So, First, I know I have not posted a lot of code, but in this case ... hear me out

    I am in the process of programming a relatively bigger project, and while working on one of the modules (FFT...
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