Welcome, bro!

This is big news! Open USB FXO has just been born. Of course, not as a working circuit, but as a blog, just like Open USB FXS started a good two years ago. Welcome, bro! It’s nice to have you around!

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7 Responses to “Welcome, bro!”

  1. Gabtek Says:

    Dear Angelo,

    I am looking for cheap FXS and your project is nice, how can I order the PCB ?

    Thanks
    Gabtek

  2. Angelos Varvitsiotis Says:

    Hi Gabtek,

    If you need just the PCB, you can order it from Elektor here (check the right column, in the “Order from Elektor” section). At the same page you can order a pre-programmed PIC microcontroller.

    Cheers,

    Angelos

  3. Gabtek Says:

    Is it open project ? is the layout available ? How can I order 1 sample?

  4. Angelos Varvitsiotis Says:

    Hi Gabtek,

    Yes, this project is open. You can find all of the project’s files under https://code.google.com/p/openusbfxs/source/browse/#svn%2Ftrunk. The Eagle files, including the layout, are under https://code.google.com/p/openusbfxs/source/browse/#svn%2Ftrunk%2FEagle-OPENUSBFXS-Dongle.

    As for ordering, I used to offer some prototypes, but unfortunately this option is no longer available.

    Angelos

  5. Gabtek Says:

    what should I do if I want to order two FXS? I want to test it for my project.

  6. joseph Says:

    i would like to know at what rate did you run pclk?

  7. Angelos Varvitsiotis Says:

    Hi Joseph,

    PCLK runs at 256kHz. You may enjoy reading these old posts w.r.t. clocking:
    https://openusbfxs.wordpress.com/2008/11/07/a-delicate-timing-trickery/
    https://openusbfxs.wordpress.com/2008/11/07/time/
    Just a word of warning, the code at
    https://openusbfxs.wordpress.com/tmr1_isr_version_2/
    is now quite old — better consult the project’s repository at
    http://openusbfxs.googlecode.com/.

    Cheers,

    Angelos

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