Have you looked at ESP-CSI?
https://github.com/espressif/esp-csi

I didn't know there were still D modules versions available. The current rev is E.

In a similar case, the issue was the power management features of windows that were disabling the USB port? Did you try to reprint the scenario on another PC?

It didn't look like the best marketing initiative.
They apologized on X (Twitter).


Thanks for clarifying.

So just a marketing stunt by Tarlogic trying to sell their Bluetooth driver software - purely accidentally implying that "billions of Espressif IoT chips" in the field are security ...

Hello, for connected applications, CE certification includes safety, electromagnetic compatibility and RF. The first two points depend on your design, as for RF, if you use an Espressif CE certified module, you may still want to perform the test of the whole project because as opposed to FCC, the CE ...

That sounds interesting. You can download the ESG report here https://www.espressif.com/en/company/co ... ty/reports
I wouldn't expect the emissions to be different from any other integrated circuit, every manufacturer uses the same type of technology, wafer fab and backend.

Certification requirements vary based on the nature of your product and the markets you intend to target. You may want to contact a specialized laboratory to guide you in this process.

Have you looked at the Espressif Audio Development Framework? All decoders are available there, including MP3
https://github.com/espressif/esp-adf

I have sent a PM to the both of you.

Would it be possible that the fireplace control is 4-20mA and not voltage based?