• Yes, I get that. However since this isn't an official board it'd be good if you could help me by narrowing it down to the bare minimum.

    So we know this does it:

    NRF.setAdvertising({},{
      name: "PTG",
      interval: 30,
      connectable: false,
      manufacturer: 0x0583,
      manufacturerData:new Uint8Array(18)
    });
    

    And this doesn't (on its own):

    NRF.setAdvertising({},{
      connectable: false,
    });
    

    What lines can be removed such that it still breaks?

  • I'm sorry that I have confused you. The first case you show does NOT work. I removed the 2nd call: I added for debugging when the simpler case did not work, but is confusing the issue.

    Anytime I turn off connectable (through either set of code) it stops advertising.

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