Using Bluetooth on a desktop computer is now such a seamless process; it’s something built-in and just works. Behind that ubiquity is a protocol layer called HCI, or Host Controller Interface, a set ...

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 ...

We've talked a lot about ESP32-powered displays, but what about displays that pack two ESP32 chips inside? That's exactly ...

While it might not be the most traditional design, there’s no debating that Nintendo created something truly special when they unleashed the GameCube controller on an unsuspecting world back in 2001.

You might associate Bluetooth with cutting the cable between your headphones and your phone, but Bluetooth Mesh aims to make it a ubiquitous backchannel for the Internet of Things. Launched today, ...

A year after unveiling Bluetooth 5, the short-range wireless networking technology's Special Interest Group (SIG) has announced support for mesh networking. This enables low-power, many-to-many device ...

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 ...