Although much of the software that runs on the ESP32 microcontroller is open source, the Wi-Fi driver is not. Instead, it uses a proprietary binary blob. This was no problem for [Jasper Devreker]’s ...
XDA Developers on MSN
ESP32 counterfeit devices technically exist, but that's not the full story
If you're worried about getting a counterfeit ESP32, you shouldn't be... though they do technically exist, but maybe not in the way you're thinking.
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