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  3. Double channel lora Gateway (UP/DOWN)

Double channel lora Gateway (UP/DOWN)

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  • R Offline
    R Offline
    riro2
    wrote on last edited by
    #1

    Hello everybody,
    I m student and I am currently working on my final project. One issu that I encounter right now is that I have to make a two way radio communicaiton lora gateway (that does not have any relation with a LoraWAN platforms) it is just for private communication.
    My question is how to make SPI connections between one RPi 3 (Master) and two RFM95W Lora transceivers (one for uplink and one for downlink) ?
    Is it just making simple SPI connections with two slaves, or is there any other consideration to take into account ?

    Help please
    Thanks

    alexsh1A 1 Reply Last reply
    0
    • R riro2

      Hello everybody,
      I m student and I am currently working on my final project. One issu that I encounter right now is that I have to make a two way radio communicaiton lora gateway (that does not have any relation with a LoraWAN platforms) it is just for private communication.
      My question is how to make SPI connections between one RPi 3 (Master) and two RFM95W Lora transceivers (one for uplink and one for downlink) ?
      Is it just making simple SPI connections with two slaves, or is there any other consideration to take into account ?

      Help please
      Thanks

      alexsh1A Offline
      alexsh1A Offline
      alexsh1
      wrote on last edited by
      #2

      @riro2 Are you going to use MySensors library at all?
      I would find many sources on internet how to connect a RFM95 module to a RPI. In fact, I have made a few PCBs for my Raspberry Pi 3 but this is all for TTN, which is using LoraWAN.

      https://github.com/hallard/RPI-Lora-Gateway
      https://www.thethingsnetwork.org/forum/t/loraspi-raspberry-pi-simple-shield-gateway-node/2348

      Unfortunately, I do not have any experience with just Lora communication.

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      1
      • XanderX Offline
        XanderX Offline
        Xander
        wrote on last edited by
        #3

        I'm experementing with this Library / Project:
        http://cpham.perso.univ-pau.fr/LORA/RPIgateway.html
        https://github.com/CongducPham/LowCostLoRaGw
        based on the Libelium Libraries.
        It is LORA-only (no LARAWAN). Thanks to the used arduPi-Libs there are the same soures for Arduino and Raspi.
        Originally only sensors are supported. I have changed the sources a bit to support both directions but with ONE Lora module. It shouldn't be difficult to use two modules.

        alexsh1A 1 Reply Last reply
        0
        • XanderX Xander

          I'm experementing with this Library / Project:
          http://cpham.perso.univ-pau.fr/LORA/RPIgateway.html
          https://github.com/CongducPham/LowCostLoRaGw
          based on the Libelium Libraries.
          It is LORA-only (no LARAWAN). Thanks to the used arduPi-Libs there are the same soures for Arduino and Raspi.
          Originally only sensors are supported. I have changed the sources a bit to support both directions but with ONE Lora module. It shouldn't be difficult to use two modules.

          alexsh1A Offline
          alexsh1A Offline
          alexsh1
          wrote on last edited by
          #4

          @xander I cannot help you with that. I have no knowledge of Liberium libs and never tinkered with Lora.

          XanderX 1 Reply Last reply
          0
          • alexsh1A alexsh1

            @xander I cannot help you with that. I have no knowledge of Liberium libs and never tinkered with Lora.

            XanderX Offline
            XanderX Offline
            Xander
            wrote on last edited by
            #5

            @alexsh1 Sorry you missunderstood. My post was only a hint to help riro2 with his LORA problem. The Libraries from the refered project are working fine for me. Thanks anyway!

            alexsh1A 1 Reply Last reply
            0
            • XanderX Xander

              @alexsh1 Sorry you missunderstood. My post was only a hint to help riro2 with his LORA problem. The Libraries from the refered project are working fine for me. Thanks anyway!

              alexsh1A Offline
              alexsh1A Offline
              alexsh1
              wrote on last edited by
              #6

              @xander Yes, you are right - sorry about that. This is what happens when reading from the phone. :relaxed:

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