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Controlling multiple groups nodes with the nRF mesh APP

Chukwuemeka

Hi 

I want to set up a network of about 4 groups of BLE light modules(using the experimental dimming example). Each group comprises of 5 to 7 light modules.   

Currently the way I implement it is that I configured all the nodes to PROXY server (according to this blog) and then I group them.

With this method, I always need to connect the nodes to the APP each time I want to use the APP.

This is highly inconveniencing to be connecting such number of nodes each time the APP is used.   

Are there better ways I can set up the network of about 4-5 groups comprising of 7 BLE modules and then control them with the nRF APP?

  • 0 in reply to tesc

    No, that is not the issue I have. Take for instance, I have nodes A, B and C. They are all provisioned and in the network. I can control them (State 1).
    If node B's power is removed, only nodes A and C can be controlled (State 2).
    But then when node B's power is re-introduced, the APP still controls only nodes A and C, not all the nodes as in State 1 (State 3). 
    Any hints on how can I solve this problem (in State 3)?

  • 0 in reply to Chukwuemeka

    Hi,

    I have tried to reproduce, by performing the following steps:

    1. Using 3 nRF52 DKs, I program each DK with the Dimming server example from nRF5 SDK for Mesh v4.1.0.
    2. With the nRF Mesh app for Android, I connect to each DK in turn, and:
      1. Provision the node
      2. Configure the Generic Level Server element by:
        1. Binding Application Key 1 to that element, and
        2. Adding a subscription for that element to the "Living room" group
    3. After all nodes are provisioned and configured, I can turn LED1 of all three DKs on/off from the "Living room" group under the Groups tab of the nRF Mesh app.
    4. I turn off one of the boards (not the one that I am connected to over GATT proxy.)
    5. The two boards that remain powered can still be controlled from the phone, using the group.
    6. I turn on the third board again.
    7. All three boards can be controlled from the phone, using the group.

    In other words, I do not see the issue.

    Are the above steps the same as you do? If not, can you give a list of steps in order to reproduce?

    Regards,
    Terje

  • +1 in reply to Chukwuemeka

    I reproduced the same as you described with nRF SDK for Mesh v4.1. I saw the issue when I had mesh V3.2. I guess the problem is solved in Mesh v4.1.

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