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Thread: Serial Monitor keeps printing reversed question marks when using the DynamixelShield with UNO

  1. Serial Monitor keeps printing reversed question marks when using the DynamixelShield with UNO

    please remove
    Last edited by Snoopy; 09-20-2020 at 04:04 PM.

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    Re: Serial Monitor keeps printing reversed question marks when using the DynamixelShield with UNO

    How is it so damn difficult for you to read instructions? Over and over and over on multiple topic and multiple forums...

    quoth the e-manual (https://emanual.robotis.com/docs/en/...ixel_shield/):
    The hardware serial port is used to communicate with DYNAMIXEL, therefore, RC-100 or LN-101 has to be connected to the software serial communication port(SW TX/RX) via Arduino pin 7 and 8.
    There is only one hardware serial port on the UNO. It is connected to a USB to UART IC to give a virtual serial port used for programming and Arduino IDE Serial Monitor. It is also always being used for controlling the dynamixel buss, so cannot be connected to the Serial Monitor for debug output. You need an LN-101 or similar USB to UART adapter to connect to the software serial port to get the debug output (and cannot be used for programming the Arduino UNO).
    Please pardon the pedantry... and the profanity... and the convoluted speech pattern...
    "You have failed me, Brain!"
    [git][mech][hack]
    gives free advice only on public threads

  3. #3

    Re: Serial Monitor keeps printing reversed question marks when using the DynamixelShield with UNO

    Also, don't remove a question just because it's answered. Others on the internet have the same question. If it's not preserved in the thread, google won't find it the next time around, and the cycle repeats.

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    Re: Serial Monitor keeps printing reversed question marks when using the DynamixelShield with UNO

    ...or have to ask questions multiple times over pm because older messages were lost or deleted.


    DATA PACK RAT FOREVER!
    Please pardon the pedantry... and the profanity... and the convoluted speech pattern...
    "You have failed me, Brain!"
    [git][mech][hack]
    gives free advice only on public threads

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