Thank you very much for the response. In that casse, I am not exposing the pins as I think 512 kB of RAM and 4 MB builtin memory are enough.

Hi,

I am going to make a pcb design using ESP32-U4WDH chip instead of its modules. In the documentation I found that this chip contains 4 MB of flash built-in to it. When I was refering to circuit design as attached in the image, it describes that "In cases where ESP32-U4WDH with in-package quad 3 ...

Hello,

I am seeking assistance with running scripts on the ESP32 using the ESP-IDF framework. My goal is to develop an application that can host a web server to provide various settings to users. This application will include JavaScript (JS), Cascading Style Sheets (CSS), and Hypertext Markup ...

Hi,
I am running tow tasks. One to send data to cloud platform using https request and 2nd to perform the OTA update. I run some memory analysis and got the results shown in the attached picture. The issues I am facing are:
1. The https requests are taking more than 40kb of memory when either ...

Now, I am getting this error. Anyone please help.

E (546560) esp-x509-crt-bundle: PK verify failed with error FFFFBD70
E (546560) esp-x509-crt-bundle: Failed to verify certificate
E (546560) esp-tls-mbedtls: mbedtls_ssl_handshake returned -0x3000
E (546570) esp-tls: Failed to open new connection
E ...

After doing some more experiments, It seems the issue with the heap memory. The call to perform data upload takes around 38Kb of heap memory, so when the available memory is less than 38kb, it fails to validate the SSL certificates.
The 2nd issue found is timeout. I have multiple tasks running and ...

Hi,
I am trying to build https communication alongwith an I2C based RTC. I have integrated custom .pem files for SSL certificate verification. When the sensor is plugged out on I2C driver, the SSL communication works fine and data is transmitted successfuly to the server.
I am getting below errors ...

Hi,
My platform info:
MacBook M1 Pro,
esp-idf VS code plugin
protobuf 3.21.5
google libraries: /usr/local/include/google/protobuf/**

I am trying to integrate the google protocol buffers. I followed the steps mentioned in the esd-idf source directory on path esp-idf-master/components/protocomm
I ...

Hi,
I am getting the error on line 98 in adc.h in code line I am using esp-idf version 4.4 in VS code.

Please guide me how to fix this?

This function provides free stack of the current task or the task of which the handler is passed, but I want to know the total available stack from all the tasks?