I can't send data from esp32c6 to aws iot core

[AndresG25]

Hello friends. I have been trying for several days to program my ESP32C6 to send data from the card to AWS IoT Core and I have not been able to, the errors I get have been related to the inability to make a mutual communication, mTLS and USSL fails with the ESP32C6. I tried sending the data through umqtt.simple to my local server and from there send it to AWS IoT Core and it worked fine, the problem is in sending to AWS IoT Core the data from the ESP.

To try to solve it I tried to build my own firmware enabling from idf.py menuconfig the TLS protocol for SSL communication and it has not been possible, I do not know how else to send data directly from the ESP32C6 to AWS IoT Core. I appreciate any help.

[aliarifat]

Verify AWS IoT Certificates and enable TLS in ESP-IDF. Make sure you have the following:

• The root CA certificate (Amazon Root CA 1)

• The device certificate (signed by AWS)

• The private key (for your ESP32 device)

Check MQTT Configuration. Here are some tutorials that you may see for cross-checking.
https://www.youtube.com/watch?v=TrcbOWJgj-g
https://www.youtube.com/watch?v=QctUfGqdR20

If you want a more stable and flexible IoT gateway, you can make a Dual ESP32-C6 Gateway PCB like this:
https://www.pcbway.com/project/shareproject/Dual_ESP32_C6_Gateway_PCB_Project_f2f50a54.html

[AndresG25]

Thank you very much for your support. I have reviewed the material and it will surely be very useful. I am currently looking for a way to do it with MicroPython as I have a large project running on a BeagleBone board and I need to migrate it to an ESP32C6, having my code in Python makes the migration easier. I have read that my TLS handling problem may be because the firmware I download from the MicroPython page does not support TLS and I would have to enable it from the ESP-IDF, could that be the problem?

With that in mind, I started customizing my own firmware making use of Ubuntu and recommendations on how to do it, however, it didn't work for me. Do you know of any guides that would allow me to do this or at least determine if it is a problem with my current firmware.

Thanks again for your help.

[ned-pcs]

Micropython supports TLS, and I know for a fact that sending MQTT from esp32-c6 to AWS works using stock MicroPython.

[AndresG25]

@ned-pcs Thank you very much for your answer. I was trying for a time and I couldn't get it and I didn´t found good information about that. So, I decided to learn how to do it with ANSI C. I would be thankful with you if some information is shared. Thank you!