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  3. Total Noob to mysensors Looking at feasibility of a project

Total Noob to mysensors Looking at feasibility of a project

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  • Danton BarnesD Offline
    Danton BarnesD Offline
    Danton Barnes
    wrote on last edited by
    #3

    Awesome! So I'm trying to figure out this architecture. I would have a Arduino Gateway which can have N slaves is that correct? Also the controller thing. I'm just trying to understand. I need a Controller for the gateway correct? Would it be possible to make the Gateway itself the controller with a TFT touchscreen interface? Even better a custom android/IOS/windows UWP app? Is any of this possible?

    Thanks in advance

    1 Reply Last reply
    0
    • hekH Offline
      hekH Offline
      hek
      Admin
      wrote on last edited by
      #4

      You only need a controller if you want to be able to use the id-handout feature or requesting time from your nodes. If you need fancy stuff like apps, a controller is also needed.

      If you don't need these features (and use static ids!), just skip it.

      Danton BarnesD 2 Replies Last reply
      2
      • hekH hek

        You only need a controller if you want to be able to use the id-handout feature or requesting time from your nodes. If you need fancy stuff like apps, a controller is also needed.

        If you don't need these features (and use static ids!), just skip it.

        Danton BarnesD Offline
        Danton BarnesD Offline
        Danton Barnes
        wrote on last edited by
        #5

        @hek Awesome. Thanks man. For now I think I'm just going to use Static IDs. Is there a starter tutorial for creating a small network like what I am talking about? Or even a tutorial just for master to a single slave comms would help me get started.

        1 Reply Last reply
        0
        • hekH hek

          You only need a controller if you want to be able to use the id-handout feature or requesting time from your nodes. If you need fancy stuff like apps, a controller is also needed.

          If you don't need these features (and use static ids!), just skip it.

          Danton BarnesD Offline
          Danton BarnesD Offline
          Danton Barnes
          wrote on last edited by
          #6

          @hek Also how many devices can you talk to from a single gateway?

          mfalkviddM 1 Reply Last reply
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          • Danton BarnesD Danton Barnes

            @hek Also how many devices can you talk to from a single gateway?

            mfalkviddM Offline
            mfalkviddM Offline
            mfalkvidd
            Mod
            wrote on last edited by mfalkvidd
            #7

            @Danton-Barnes the "Getting started" link at the top of this page could be a good start :-D

            It leads to https://www.mysensors.org/about/network which says you can have 254 devices in a single radio network. (This includes the gateway, so 253 sensor nodes.)

            Many controllers have app or mobile web interface so you can probably just try a controller and see if you like it.

            You can also create a node that acts as "control panel" (which is not the same as a controller). See these examples for inspiration:
            https://www.openhardware.io/view/23/In-wall-LCD-SwitchScene-controller-for-MySensors
            https://www.mysensors.org/build/scene_controller

            Danton BarnesD 2 Replies Last reply
            1
            • mfalkviddM mfalkvidd

              @Danton-Barnes the "Getting started" link at the top of this page could be a good start :-D

              It leads to https://www.mysensors.org/about/network which says you can have 254 devices in a single radio network. (This includes the gateway, so 253 sensor nodes.)

              Many controllers have app or mobile web interface so you can probably just try a controller and see if you like it.

              You can also create a node that acts as "control panel" (which is not the same as a controller). See these examples for inspiration:
              https://www.openhardware.io/view/23/In-wall-LCD-SwitchScene-controller-for-MySensors
              https://www.mysensors.org/build/scene_controller

              Danton BarnesD Offline
              Danton BarnesD Offline
              Danton Barnes
              wrote on last edited by
              #8

              @mfalkvidd Thanks. I looked through and read that page, but couldn't find any code examples on how to assign an id address or any of that. Is there a resource for that?

              mfalkviddM 1 Reply Last reply
              0
              • mfalkviddM mfalkvidd

                @Danton-Barnes the "Getting started" link at the top of this page could be a good start :-D

                It leads to https://www.mysensors.org/about/network which says you can have 254 devices in a single radio network. (This includes the gateway, so 253 sensor nodes.)

                Many controllers have app or mobile web interface so you can probably just try a controller and see if you like it.

                You can also create a node that acts as "control panel" (which is not the same as a controller). See these examples for inspiration:
                https://www.openhardware.io/view/23/In-wall-LCD-SwitchScene-controller-for-MySensors
                https://www.mysensors.org/build/scene_controller

                Danton BarnesD Offline
                Danton BarnesD Offline
                Danton Barnes
                wrote on last edited by
                #9

                @mfalkvidd The node as a control panel is exactly what I have in mind. Thanks for the direction.

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                • Danton BarnesD Danton Barnes

                  @mfalkvidd Thanks. I looked through and read that page, but couldn't find any code examples on how to assign an id address or any of that. Is there a resource for that?

                  mfalkviddM Offline
                  mfalkviddM Offline
                  mfalkvidd
                  Mod
                  wrote on last edited by
                  #10

                  @Danton-Barnes use #define MY_NODE_ID 42 before including MySensors.h to give the node id 42. Details on https://www.mysensors.org/download/sensor_api_20

                  Danton BarnesD 1 Reply Last reply
                  1
                  • mfalkviddM mfalkvidd

                    @Danton-Barnes use #define MY_NODE_ID 42 before including MySensors.h to give the node id 42. Details on https://www.mysensors.org/download/sensor_api_20

                    Danton BarnesD Offline
                    Danton BarnesD Offline
                    Danton Barnes
                    wrote on last edited by
                    #11

                    @mfalkvidd Ok I'm beginning to understand it. I'm currently in Afghanistan for my job and will be until April. I started researching for this project before I left then stumbled across all this. Sorry for all the question I'm just trying to wrap my head around where this works. So in the example with the "Control Panel." Is the control panel the gateway as well? Also what would the other end look like? How would I send a command to node 42 is what I am asking.

                    mfalkviddM 1 Reply Last reply
                    0
                    • Danton BarnesD Danton Barnes

                      @mfalkvidd Ok I'm beginning to understand it. I'm currently in Afghanistan for my job and will be until April. I started researching for this project before I left then stumbled across all this. Sorry for all the question I'm just trying to wrap my head around where this works. So in the example with the "Control Panel." Is the control panel the gateway as well? Also what would the other end look like? How would I send a command to node 42 is what I am asking.

                      mfalkviddM Offline
                      mfalkviddM Offline
                      mfalkvidd
                      Mod
                      wrote on last edited by
                      #12

                      @Danton-Barnes said:

                      @mfalkvidd Ok I'm beginning to understand it. I'm currently in Afghanistan for my job and will be until April. I started researching for this project before I left then stumbled across all this. Sorry for all the question I'm just trying to wrap my head around where this works. So in the example with the "Control Panel." Is the control panel the gateway as well? Also what would the other end look like? How would I send a command to node 42 is what I am asking.

                      No worries. We've all been new to this stuff :)

                      The control panel can be the gateway, but doesn't need to. It can be a node just like anything else.

                      Maybe this code, a pump with a remote, is a better example for your use case. The remote sends commands to the pump. The pump has node id 7.

                      The other end could be like in the pump code, or like the led dimmer example, except that you would send a value to your potentiometer instead of setting the pwm level for a led.

                      Danton BarnesD 1 Reply Last reply
                      1
                      • mfalkviddM mfalkvidd

                        @Danton-Barnes said:

                        @mfalkvidd Ok I'm beginning to understand it. I'm currently in Afghanistan for my job and will be until April. I started researching for this project before I left then stumbled across all this. Sorry for all the question I'm just trying to wrap my head around where this works. So in the example with the "Control Panel." Is the control panel the gateway as well? Also what would the other end look like? How would I send a command to node 42 is what I am asking.

                        No worries. We've all been new to this stuff :)

                        The control panel can be the gateway, but doesn't need to. It can be a node just like anything else.

                        Maybe this code, a pump with a remote, is a better example for your use case. The remote sends commands to the pump. The pump has node id 7.

                        The other end could be like in the pump code, or like the led dimmer example, except that you would send a value to your potentiometer instead of setting the pwm level for a led.

                        Danton BarnesD Offline
                        Danton BarnesD Offline
                        Danton Barnes
                        wrote on last edited by
                        #13

                        @mfalkvidd Yes! Perfect place to start. I will look at the controller as a node later. Could the "remote" in the example you just provided still communicate to the 254 total nodes or is it limited? Please tell me it can... My mind will be blown.

                        mfalkviddM 1 Reply Last reply
                        0
                        • Danton BarnesD Danton Barnes

                          @mfalkvidd Yes! Perfect place to start. I will look at the controller as a node later. Could the "remote" in the example you just provided still communicate to the 254 total nodes or is it limited? Please tell me it can... My mind will be blown.

                          mfalkviddM Offline
                          mfalkviddM Offline
                          mfalkvidd
                          Mod
                          wrote on last edited by
                          #14

                          @Danton-Barnes any node on a MySensors network can send a message to any other node. Messages will be routed automatically by MySensors.

                          If you have multiple MySensors networks (due to >254 nodes or geographically separated networks) you'll need a controller to route messages between the networks though.

                          Danton BarnesD 1 Reply Last reply
                          1
                          • mfalkviddM mfalkvidd

                            @Danton-Barnes any node on a MySensors network can send a message to any other node. Messages will be routed automatically by MySensors.

                            If you have multiple MySensors networks (due to >254 nodes or geographically separated networks) you'll need a controller to route messages between the networks though.

                            Danton BarnesD Offline
                            Danton BarnesD Offline
                            Danton Barnes
                            wrote on last edited by
                            #15

                            @mfalkvidd Very cool. I'm not looking at more than that so the setup I have in mind should work. Thanks for the help! I'll probably bug you guys more in April-May when i get back home.

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