Typically associated with circuitry projects and real-time operating systems, microcontrollers are great for tinkerers who prefer working with embedded devices. But unlike their SBC counterparts, you ...

Meshtastic, an open-source firmware for long-range mesh networking, offers an elegant solution. Using LoRa radios allows ...

The cheap WLAN and Bluetooth chips from the manufacturer Espressif, ESP32, contain undocumented commands in the Bluetooth hardware communication in current firmware versions. This opens up a security ...

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...

A hot potato: The ESP32 chip, found in over a billion devices worldwide, contains undocumented vendor-specific commands that could potentially be misused to access device memory and manipulate ...

Over the past decade or so, smartphones have exploded in popularity and seamlessly integrated themselves into nearly every aspect of most people’s lives. Although that comes with a few downsides as ...