Hi Charger, this looks a bit more like an issue in nvs. used_entries shouldn't be 0 if you set values already. The partition should be large enough, in particular if you only save one of these entries on the whole partition. Is it possible to read out the partition in this state and send it to us so...

Hi Charger, Could you try to use different handle instances for `nvs_get_blob()` and `nvs_set_blob` or alternatively close the handle after the first `nvs_set_blob()`? Not sure whether that's related though. The error `ESP_ERR_NVS_NOT_FOUND` may in fact occur in different situations than "Id namespa...

Hi @pollock694. If I'm not mistaken, the original poster used a wrong offset for writing the nvs keys into flash... If you're sure that you used the correct offset, then: Could you please post your IDF version, then code you use (if possible) and a console log? Some environment information (which ho...

Hi @zliudr,

Do you mind trying the attached patch? I could reproduce your problem on IDF v3.3 and the patch solves it.

Thanks!

Hi, I haven't tested it (yet, will do that tomorrow). But regarding the documentation, it's possible. Upon queue creation, you specify the size of each item in bytes. The queue will allocate the maximum amount of storage right from the beginning, no matter how many items are actually stored. Items p...