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  • RXD/TXD override on external connector

     Lukas updated 3 years, 6 months ago 2 Members · 2 Posts
    Questions & Troubleshooting

  • eslavko

    Member
    April 9, 2021 at 8:59 am

    Hello…

    Just got controllino mini and found that TXD(PD1) and RXD(PD0) on connector X1 are already used by internal USB-RS232 converter. Is it safe to use that pins on X1 connector when USB is disconnected?

  • Lukas

    Member
    May 18, 2021 at 10:11 am

    Hello,

    yes, it should be safe. Also Arduino boards have these signals accessible at the pinheader.

    Just be sure that you do not mix up the Serial communication from your sketch with the programming or communication through the USB.

    Lukas

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