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    Activity › Forums › Questions & Troubleshooting › Hardware › RS486 and MODBUS RTU › Reply To: RS486 and MODBUS RTU

    • r_merc

      Member
      March 22, 2020 at 4:55 am

      OK here is a new twist on this. If I remove all the digitalWrite() form the sketch I can get the Mast and slave to communicate. With the digitalWrite in the Slave the communications fails. Any Ideas?

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