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Type: Posts; User: gi1mic

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  1. [queued] teensy2dmd -Animated GIF Arcade Marquee - SD card upload/download via zmodem

    (work in progress)

    This is a simple project to create a low cost animated 128x32 LED display for the marquee of a full-size MAME Arcade cabinet.

    The code allows a Teensy3.6 to use a simple...
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    Sorry one of the things I have considered trying...

    Sorry one of the things I have considered trying is detecting and "re-generating" Morse tone i.e. you would never actually hear the original RF signal just a pure "generated" or pre-recorded tone...
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    By binaural do you mean stereo? It would be...

    By binaural do you mean stereo?

    It would be easy to convert the project for stereo but you would need use a Teensy audio shield or switch to a Teensy 3.6/3.6 to get dual DAC's for output. Given...
  4. Are you using an audio file from the exampes or...

    Are you using an audio file from the exampes or one you created?


    The library requires the files to be recorded at 11025Hz or 22050Hz 16Bit.


    Audacity is useful for creating the WAV files.
    ...
  5. I think your missing the SD card initialisation....

    I think your missing the SD card initialisation.

    Add Sd2Card like so:


    #define SDCARD_CS_PIN 10
    #define SDCARD_MOSI_PIN 7
    #define SDCARD_SCK_PIN 14
    Sd2Card card;
  6. Replies
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    16,768

    Open Source DSP Audio Processor for FT-817

    I have released an open source DSP audio processing project based on the Teensy audio library that targets Radio Amateur applications.

    The Teensy 3.2/3.5/3.6 are ideal add-ons for older Radio...
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