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πŸ’¬ MyMultisensors

Scheduled Pinned Locked Moved OpenHardware.io
328pmotionatsha204amulti sensorhumiditytemperaturepirambiant lightlow powercoincell
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  • tbowmoT tbowmo

    @alexsh1

    It's been a while (a couple of years now) since I looked at the first sensebender micro.. (other than the data that they submit to my gateway :) )

    So I'm not entirely sure what is going on..

    alexsh1A Offline
    alexsh1A Offline
    alexsh1
    wrote on last edited by
    #167

    @tbowmo I meant SPIFlash lib

    scalzS 1 Reply Last reply
    0
    • alexsh1A alexsh1

      @tbowmo I meant SPIFlash lib

      scalzS Offline
      scalzS Offline
      scalz
      Hardware Contributor
      wrote on last edited by scalz
      #168

      @alexsh1
      I'm not talking about the mcu sleep modes. I mentioned the spiflash sleep modes (or I don't get what you asked previously regarding spiflash..)
      datasheet see here, ic can go <uA, if you do what i said above, you'll get the better power consumption you want,
      https://www.adestotech.com/wp-content/uploads/DS-AT25DF512C_030.pdf

      alexsh1A 1 Reply Last reply
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      • scalzS scalz

        @alexsh1
        I'm not talking about the mcu sleep modes. I mentioned the spiflash sleep modes (or I don't get what you asked previously regarding spiflash..)
        datasheet see here, ic can go <uA, if you do what i said above, you'll get the better power consumption you want,
        https://www.adestotech.com/wp-content/uploads/DS-AT25DF512C_030.pdf

        alexsh1A Offline
        alexsh1A Offline
        alexsh1
        wrote on last edited by
        #169

        @scalz Sorry, yes, I thought you were talking about mcu.
        No, I did not check the datasheet for the chip. Thanks for the link. I'll see what can be done to save some power here :v:

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        • scalzS Offline
          scalzS Offline
          scalz
          Hardware Contributor
          wrote on last edited by scalz
          #170

          oki, i think you now have the solution to what happened in your other post here ;)
          https://forum.mysensors.org/topic/6846/sensebender-micro-rfm69w-consumption/14

          alexsh1A 2 Replies Last reply
          1
          • scalzS scalz

            oki, i think you now have the solution to what happened in your other post here ;)
            https://forum.mysensors.org/topic/6846/sensebender-micro-rfm69w-consumption/14

            alexsh1A Offline
            alexsh1A Offline
            alexsh1
            wrote on last edited by
            #171

            @scalz Yes, I think I mentioned sensebender micro, didn't I?
            20+ uA is not too bad and given the power source is 2xAA, I never bothered to spend too much time troubleshooting it, but now things are different as I know what causes such high consumption.

            BTW - Sketch J in my case was giving me 1.5mA as radio was not sleeping.

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            • scalzS scalz

              oki, i think you now have the solution to what happened in your other post here ;)
              https://forum.mysensors.org/topic/6846/sensebender-micro-rfm69w-consumption/14

              alexsh1A Offline
              alexsh1A Offline
              alexsh1
              wrote on last edited by
              #172

              @scalz VoalΓ‘! 5.2uA consumption with flash in Ultra Deep Power-Down!
              Will have to test OTA functionality though (waking up from Ultra Deep Power-Down), but in my experience this is going to be very hard on a coin battery.

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              • C Offline
                C Offline
                clel
                wrote on last edited by
                #173

                This sensor looks pretty promising with its capabilities, size and low power consumption. Currently the only way to get it seems to be to order PCBs and then solder everything manually, correct?

                I know this has been asked before, but is there progress in ordering this assembled? I might be interested, but have to say that this will be competing with other commercially available solutions like Aquara.

                1 Reply Last reply
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                • scalzS Offline
                  scalzS Offline
                  scalz
                  Hardware Contributor
                  wrote on last edited by scalz
                  #174

                  @clel
                  sure it was fun to make, I mean when you design your devices you can choose the best parts, try to get the best perf.., even if it's a bit more expensive than a very cheap commercial product, in the end, you know what you put in.
                  If I remember it cost me 15-20$ when I assembled it, not that expensive, vs versatility, sensors, and possibility to change fw.

                  It's a quite old project, I wouldn't really advise to use 328p nowadays, it could be limited in future, says if mysensors someday get more advanced features, who knows.. it's really just my opinion. Still, I understand it's maybe easier to get started with it.
                  I made more modern projects, but miss time for release etc

                  No, I'm still not selling anything. No enough time for the moment. I think it wouldn't be worth my time. Same about compete with commercial products, like a topchef or a craftsman, I prefer to focus on other aspects when designing (quality, verstatility, perf).

                  If your HA is cost driven, then maybe you're right to go for Aquara. Imho diy for sensors like you mentioned will often cost the same or more than the cheapest commercial products, vs time&learning curve, parts&tools in diy.

                  Are these commercial products as low power, better range etc as a good care diy device, not sure.. But like I said "premium" has a cost. Pros and cons.
                  I think for the moment, you can't compare the range of rfm69 module vs 2.4ghz aquara. afaik aqara/zigbee needs more repeaters.

                  C 1 Reply Last reply
                  1
                  • scalzS scalz

                    @clel
                    sure it was fun to make, I mean when you design your devices you can choose the best parts, try to get the best perf.., even if it's a bit more expensive than a very cheap commercial product, in the end, you know what you put in.
                    If I remember it cost me 15-20$ when I assembled it, not that expensive, vs versatility, sensors, and possibility to change fw.

                    It's a quite old project, I wouldn't really advise to use 328p nowadays, it could be limited in future, says if mysensors someday get more advanced features, who knows.. it's really just my opinion. Still, I understand it's maybe easier to get started with it.
                    I made more modern projects, but miss time for release etc

                    No, I'm still not selling anything. No enough time for the moment. I think it wouldn't be worth my time. Same about compete with commercial products, like a topchef or a craftsman, I prefer to focus on other aspects when designing (quality, verstatility, perf).

                    If your HA is cost driven, then maybe you're right to go for Aquara. Imho diy for sensors like you mentioned will often cost the same or more than the cheapest commercial products, vs time&learning curve, parts&tools in diy.

                    Are these commercial products as low power, better range etc as a good care diy device, not sure.. But like I said "premium" has a cost. Pros and cons.
                    I think for the moment, you can't compare the range of rfm69 module vs 2.4ghz aquara. afaik aqara/zigbee needs more repeaters.

                    C Offline
                    C Offline
                    clel
                    wrote on last edited by
                    #175

                    @scalz Thanks for your answer. Assembling a sensor by my own is not really what I want (or am able to achieve). So buying assembled sensor is the only option for me. Thus probably commercially available sensors will fit better, since they can use the scaling factor of assembling a huge amount of sensors. My HA is driven by cost to performance ratio, where cost also include somewhat the amount of time to invest and performance also covers things like the ease of use, appearance etc.

                    Interesting to hear though that those commercial sensors might be less premium regarding the part quality, battery life etc.

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                    • alexsh1A Offline
                      alexsh1A Offline
                      alexsh1
                      wrote on last edited by
                      #176

                      @scalz I have just updated to MySensors 2.3.2 and the sketch with interrupts stopped working. Any changes in any lib?

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