In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units, alon… ...

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains undocumented commands that could be leveraged for attacks.

The software stack, served as client-side JavaScript by the ESP32, is what makes this elegant build shine. [joe57005] uses Samsung Gear VR for the projects, a cheap but decent-quality ...