Can not connect to my Extension Board/Lopy4



  • Hello
    I am trying to upload code into my LoPy4 via the expention board. I could it until I lost connection.

    I reconnect the USB cable and look at More->Get Serial Port

    The only thing I can see it

    /dev/cu.iPhonedePierrot-Wireles (copied to clipboard)
    Connecting on /dev/cu.usbserial-DQ00DAHG...
    

    But it can not see my USB port.

    What can I do?
    I rember, we could reset the board? Isn't?

    Thank



  • @pierrot10 which model of the expansion board arte you using. Version 2 (one push button) or version 3 (two push buttons). Version 2 is more simple. If you cannot see the serial port, it is a problem of the physical connection (cable, jumpers on the board) or the OS X driver. Version 3 adds to the list of trouble sources the firmware in the PIC controller on the board.
    I assume that you also do not get a REPL prompt.


 

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