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  4. Problems getting a RFM69HW gateway to work in domoticz

Problems getting a RFM69HW gateway to work in domoticz

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  • Cliff KarlssonC Offline
    Cliff KarlssonC Offline
    Cliff Karlsson
    wrote on last edited by Cliff Karlsson
    #6

    Can it be something that domotics does not like that I connect 3.3v mini pro's using FTDI->USB adapters supplying 3.3v instead of 5v?
    I forgot to say that often when everything seams to detect correctly, as soon as I power up a sensor I often get some error in domotics complaining of "serial lost" or something like that.

    martinhjelmareM 1 Reply Last reply
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    • Cliff KarlssonC Cliff Karlsson

      Can it be something that domotics does not like that I connect 3.3v mini pro's using FTDI->USB adapters supplying 3.3v instead of 5v?
      I forgot to say that often when everything seams to detect correctly, as soon as I power up a sensor I often get some error in domotics complaining of "serial lost" or something like that.

      martinhjelmareM Offline
      martinhjelmareM Offline
      martinhjelmare
      Plugin Developer
      wrote on last edited by
      #7

      @Cliff-Karlsson

      Can you adjust the baud rate in domoticz for the serial connection?

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      • hekH Offline
        hekH Offline
        hek
        Admin
        wrote on last edited by
        #8

        Yeah, lowering baudrate could help.

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        • Cliff KarlssonC Offline
          Cliff KarlssonC Offline
          Cliff Karlsson
          wrote on last edited by
          #9

          In the beta it defaults to 115000 or something witch I believe is correct. It is also possible to change to 4800 baud /mini pro/sensbender or something like that. But I have never got anything to show up when changing that setting.

          martinhjelmareM 1 Reply Last reply
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          • Cliff KarlssonC Cliff Karlsson

            In the beta it defaults to 115000 or something witch I believe is correct. It is also possible to change to 4800 baud /mini pro/sensbender or something like that. But I have never got anything to show up when changing that setting.

            martinhjelmareM Offline
            martinhjelmareM Offline
            martinhjelmare
            Plugin Developer
            wrote on last edited by
            #10

            @Cliff-Karlsson

            An arduino at 8 MHz will not be able to communicate reliably at 115200 bps with a computer over serial.

            38400 or perhaps 57600 at the highest should work.

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            • Cliff KarlssonC Offline
              Cliff KarlssonC Offline
              Cliff Karlsson
              wrote on last edited by
              #11

              i have used RFM69HW adapter on all the recent tries witch should be ok, right?
              I have also used 868Mhz antennas that I have got from ebay. Could faulty antennas cause something like that?

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              • hekH Offline
                hekH Offline
                hek
                Admin
                wrote on last edited by
                #12

                You'll also have to lower the baudrate in MyConfig.h before compiling/uploading the gateway. No need to touch the sensor node.

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                • Cliff KarlssonC Offline
                  Cliff KarlssonC Offline
                  Cliff Karlsson
                  wrote on last edited by
                  #13
                  This post is deleted!
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                  • Cliff KarlssonC Offline
                    Cliff KarlssonC Offline
                    Cliff Karlsson
                    wrote on last edited by
                    #14

                    Ahhhhhhh!!!!!!!!!!!!, thank you!!!!!! It finally works. 38400 was the other selectable baudrate specified in domoticz and it started working rightaway after selecting the right settings.

                    martinhjelmareM 1 Reply Last reply
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                    • Cliff KarlssonC Cliff Karlsson

                      Ahhhhhhh!!!!!!!!!!!!, thank you!!!!!! It finally works. 38400 was the other selectable baudrate specified in domoticz and it started working rightaway after selecting the right settings.

                      martinhjelmareM Offline
                      martinhjelmareM Offline
                      martinhjelmare
                      Plugin Developer
                      wrote on last edited by
                      #15

                      @Cliff-Karlsson

                      :thumbsup:

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                      • John TolJ Offline
                        John TolJ Offline
                        John Tol
                        wrote on last edited by John Tol
                        #16

                        Hi Cliff, could you be so kind to share the full sketch with us? I'm also having trouble getting this RFM69HW to work.

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