[Matheus Garbelini] just came out with three (3!) different WiFi attacks on the popular ESP32/8266 family of chips. He notified Espressif first (thanks!) and they’ve patched around most of the ...
While we are used to USB WiFi adapters, embedded devices typically use SDIO WiFi cards, and for good reasons – they’re way more low-power, don’t take up a USB port, don’t require a power ...
While the ESP32-P4 itself doesn’t support WiFi and Bluetooth, there’s also an ESP32-C6-Mini-1 chip that handles those features. The $19 starting price includes the board and a small speaker.