You can extract original fw via esptool read_flash. For devices like Sonoff POW it may be useful to be able to revert to original FW before flashing Tasmota or esphome.

Out of curiosity, I've looked up the project the OP is trying to make work - https://github.com/projectswithalex/Reaction-Lights-Training-Module/. It consists of 4 devices, which are communicating with each other via ESPNOW. I guess the best way to find out what's causing the issue is download ardui...

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Again, please be more specific. I'm not familiar with this project, therefore it's a bit hard to understand what do you mean by "connecting". Do you use USB driver, serial console or WIFI or some other means of connection? In general, you should be able to connect to MCU regardless of any connected ...

You need to be a bit more specific. What doesn't work? Is you wiring correct? Did you flash MCU with correct binary? Does it boot? Does it communicate with sensors? Does it detect button pushes?

Thanks. Can I ask how long processing in ISR is still acceptable? ADC Continuous Mode Driver sample recommends processing ADC data in main function after receiving notification from s_conv_done_cb callback. Since I need to do other stuff in main function, like sending HID reports, and ADC data are s...

I don't think this forum is correct place to ask regarding PlatformIO support. Nevertheless, you can find an answer at
https://community.platformio.org/t/i-ca ... oard/37127

There is a lot of unnecessary data copying going on in your code. First, in tcp_log_message function you write the log message into local variable. The content of the variable, whole 1024 bytes, is then sent into the queue. tcp_log_task function then fetches an item from queue and copies log message...

Maybe your application is producing more log messages, than the what it its capable to send over TCP?

Hi,
can you point me to documentation, where limitations and requirements of code running in ISR context are described?

Searching docs for "ISR context" didn't return any relevant results. Neither did cursory search through docs content.

Thanks.