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  • Hi all,

    I have Bangle.js and Puck.js devices but couldn't establish LE secure connections between them.

    Puck.js has the following service configuration:

      0xBCDE : {
        0xABCD : {
          value : "Hello",
          readable : true,
            security: {
              read: { // optional
                lesc: true

    Bangle.js also has the LE secure connections enabled with the following configuration:


    Nevertheless, when Bangle.js connects to Puck.js and accesses to the read characteristic, it fails to read.

    I also tried to connect to the read characteristic using the NRF connect application. After I connect to Puck.js and try to read the value of characteristic, it triggers bonding and stuck at that stage with no success.

    Is there a known issue with the lesc or am I missing something?

    Thanks for the support in advance...


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