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  1. Home
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  3. Nordic or HopeRF radio

Nordic or HopeRF radio

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  • joaoabsJ joaoabs

    I see this topic is about 2 years old.

    I'm wondering about improvements in the mentioned CONs of the RFM69.
    Security is a concern for myself, so I'm testing the NRFs with signing (that don't allow encription).

    Eventhough I'm a big fan of mysensors for over 3 years or so, I believe this is the year that I'm going to really implement it on my house!

    Aspects that I care are security, reliability (ack's & retransmits), and range.
    For instance, footprint isn't a concern for me.

    So my question is: Should I re-use the good-old NRFs I have lying around, or should I invest now in the RFM69's and therefore have an improved future-proofness?

    What would be the plan of mysensors initiative in the future? To focus on the RFM69's ?

    The listenmode feature seems great... Have it been included in mysensors already?

    Thanks,

    AnticimexA Offline
    AnticimexA Offline
    Anticimex
    Contest Winner
    wrote on last edited by
    #13

    @joaoabs encryption is available for all radios, in hardware and if not supported, in software.
    But if you want something future proof, go for nrf52.

    Do you feel secure today? No? Start requiring some signatures and feel better tomorrow ;)

    1 Reply Last reply
    0
    • dbemowskD Offline
      dbemowskD Offline
      dbemowsk
      wrote on last edited by
      #14

      Is the pin 2 interrupt working for nRF? That too would be nice in places.

      Vera Plus running UI7 with MySensors, Sonoffs and 1-Wire devices
      Visit my website for more Bits, Bytes and Ramblings from me: http://dan.bemowski.info/

      YveauxY 1 Reply Last reply
      0
      • dbemowskD dbemowsk

        Is the pin 2 interrupt working for nRF? That too would be nice in places.

        YveauxY Offline
        YveauxY Offline
        Yveaux
        Mod
        wrote on last edited by
        #15

        @dbemowsk Yes, see e.g. here https://forum.mysensors.org/topic/7190/irq-pin-for-nrf24l01

        http://yveaux.blogspot.nl

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        • joaoabsJ joaoabs

          I see this topic is about 2 years old.

          I'm wondering about improvements in the mentioned CONs of the RFM69.
          Security is a concern for myself, so I'm testing the NRFs with signing (that don't allow encription).

          Eventhough I'm a big fan of mysensors for over 3 years or so, I believe this is the year that I'm going to really implement it on my house!

          Aspects that I care are security, reliability (ack's & retransmits), and range.
          For instance, footprint isn't a concern for me.

          So my question is: Should I re-use the good-old NRFs I have lying around, or should I invest now in the RFM69's and therefore have an improved future-proofness?

          What would be the plan of mysensors initiative in the future? To focus on the RFM69's ?

          The listenmode feature seems great... Have it been included in mysensors already?

          Thanks,

          alexsh1A Offline
          alexsh1A Offline
          alexsh1
          wrote on last edited by
          #16

          @joaoabs I have both nrf24l01+ and rfm69w
          My recommendation is rfm69w. Yes a bit more expensive but the amount of time I spent troubleshooting nrf clones could have been used elsewhere. Rfm69w just works out of the box in 98%. No clones and that means you won’t have strange NACKs and do not have to call for a shaman to make it work 🤣

          gohanG 1 Reply Last reply
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          • alexsh1A alexsh1

            @joaoabs I have both nrf24l01+ and rfm69w
            My recommendation is rfm69w. Yes a bit more expensive but the amount of time I spent troubleshooting nrf clones could have been used elsewhere. Rfm69w just works out of the box in 98%. No clones and that means you won’t have strange NACKs and do not have to call for a shaman to make it work 🤣

            gohanG Offline
            gohanG Offline
            gohan
            Mod
            wrote on last edited by
            #17

            @alexsh1 and don't forget signal RSSI values

            1 Reply Last reply
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            • AnticimexA Offline
              AnticimexA Offline
              Anticimex
              Contest Winner
              wrote on last edited by
              #18

              I know this might be considered off topic, but if you want future proofing, make sure you run on a platform with more memory than atmega328p. As for what radio to use, there is nothing in the roadmap that hints at any existing radio being dropped from the supported list. That said, nrf24 does carry a bunch of issues with it with respect to counterfeit chips.

              Do you feel secure today? No? Start requiring some signatures and feel better tomorrow ;)

              1 Reply Last reply
              0
              • JohnRobJ Offline
                JohnRobJ Offline
                JohnRob
                wrote on last edited by
                #19

                I recently started with MySensors. I chose the RFM69W radio over the nrf24 due to posts complaining about range issues with the nrf24. That said I can tell I can tell you the range of my RFM69W is excellent. From my basement (concrete foundation) to the other side of my neighbors house ~75 meters with no issues.

                The only drawback I see is the voltage limit of 3.3Vdc. This precludes using some batteries without a regulator.

                I also found the external antenna could be a + or -. Currently I'm using a coil / spring type antenna mounted on the board.

                1 Reply Last reply
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                • gohanG Offline
                  gohanG Offline
                  gohan
                  Mod
                  wrote on last edited by
                  #20

                  If you use LiFePO4 batteries you don't need any regulator

                  1 Reply Last reply
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                  • JohnRobJ Offline
                    JohnRobJ Offline
                    JohnRob
                    wrote on last edited by
                    #21

                    @gohan

                    Thank you for the comment. Somehow I was under the impression the NRF24 would accept a 5V for power. However now I see only the inputs are 5V tolerant.

                    dbemowskD 1 Reply Last reply
                    0
                    • JohnRobJ JohnRob

                      @gohan

                      Thank you for the comment. Somehow I was under the impression the NRF24 would accept a 5V for power. However now I see only the inputs are 5V tolerant.

                      dbemowskD Offline
                      dbemowskD Offline
                      dbemowsk
                      wrote on last edited by
                      #22

                      @johnrob Be careful. nRF24 radios are easy to blow if you feed them 5V for power.

                      Vera Plus running UI7 with MySensors, Sonoffs and 1-Wire devices
                      Visit my website for more Bits, Bytes and Ramblings from me: http://dan.bemowski.info/

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