The device is based on an ESP32 microcontroller, which provides the necessary Bluetooth hardware to scan for devices. It then displays the number of devices found using an 8 x 8 array of ...

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.

Hidden Backdoor Discovery Could Expose 1 Billion Bluetooth Devices To Hackers by Victor Awogbemila — Monday, March 10, 2025, 05:18 PM EDT Comments ...