Activity Forums Questions & Troubleshooting Software & Firmware How to use Serial1 (19,18 pin)

  • How to use Serial1 (19,18 pin)

     Lukas updated 2 years ago 3 Members · 4 Posts
  • tindevil

    Member
    January 14, 2019 at 7:11 am

    hello,

    I want to use serial1, but it doesn’t work, so I ask.

    When checking the pinmap, Serial1 is identified as D18 (Tx) and D19 (Rx).

    After initializing Serial1, the data is not received even if it is sent.

    Can’t I use it because it’s an interrupt pin?

    Requires TTL level communication. What should I do?

    We have MAXI products.

    thanks.

  • mr-controllino

    Administrator
    January 15, 2019 at 3:54 pm

    Hi,

    If you want to use Serial1 you can only connect it on the pinheader connector.

    It is not possible to connect to the serial1 over the screw terminals.

    regards

    Marco

  • tindevil

    Member
    February 24, 2019 at 3:39 pm

    Thank you. I’ve connected it to the pinheader. Serial 2 and Serial 3 operate normally.

    Only Serial1 is wrong?.

    Mr. CONTROLLINO wrote:


    Hi,

    If you want to use Serial1 you can only connect it on the pinheader connector.

    It is not possible to connect to the serial1 over the screw terminals.

    regards

    Marco

  • Lukas

    Member
    February 26, 2019 at 3:33 pm

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