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3V3 Variant USB drivers

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  • #1

    3V3 Variant USB drivers

    Hi all,

    I compiled and flashed the 3V3 variant of the board. But I run to a problem - after flashing the usb to serial firmware into 16u2, the board is recognized as 28Pins in Windows and no drivers are found. Which drivers should I use? Thanks!

    Lazar
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  • #2
    This may help you: http://www.28pins.com/learning/how-t...the-new-board/

    Be careful about drivers. I think, there are some problems when using the latest AVR, you may want to install an older version. It took me also some time to figure out how to correctly install the drivers. So just keep trying. I am sure you will find what the problem is.

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    • #3
      Okay, I succesfully modified the drivers. But now I cannot program the device using the Arduino IDE. I found out that the problem is in the "custom" bootloader I flashed into the ATmega328P. Would it be possible to upload the .HEX files for the 3V3 variant, as you did for the 5V variant? Thanks!

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      • #4
        I am not 100% sure, but try these (see attachment). Please, let me know then if these hex files work with 3V3 variant.

        28Pins-3V3-hex-I-Think.ZIP

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