Hi, bt stack will take care of response for you. What you need to do is to eventually store mtu value and reuse it in read/write requests https://github.com/espressif/esp-idf/blob/master/examples/bluetooth/gatt_server/main/gatts_demo.c#L403 Of course you can try to send notify/indicate response with...

Merge server
https://github.com/espressif/esp-idf/bl ... ain/main.c

with this part of ota
https://github.com/espressif/esp-idf/bl ... #L175-L261

This is structure of cJSON and as you can see you can send number value as double: typedef struct cJSON { /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */ struct cJSON *next; struct cJSON *prev; /* An array or object item will have a c...

Please try make monitor or xtensa-esp32-elf-gdb to decode backtrace eventually addr2line.

Hi, there is no difference between setting up secure connection for one or many services, because you dont secure services. Service is just logical unit that aggregates characteristics. Now, you may want or not to secure characteristics and descriptors with proper permission access (read/write with ...

If I had guessing I would say it's key length. Try with 2048.

Here is your answer.

Daniel wrote: Just like the example "gatt_security_serverhttps://github.com/espressif/esp-idf/tr ... ity_server".

What else do you want to know or what you dont understand?

I dont remember that i had any temp problem.