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 ...

Arduino has introduced a Nano shaped board with a Wi-Fi and Bluetooth LE capable Espressif’s ESP32-S3 microcontroller, supporting it with the Arduino IDE and MicroPython. “Beginners can explore in an ...

While the Raspberry Pi reigns as an SBC for multitasking and advanced processing, it’s the ESP32 that outshines it by doing ...

The Waveshare ESP32-P4-Nano is a tiny, inexpensive, low-power development board powered by a dual-core RISC-V processor. Available now from Waveshare or AliExpress for around $19 and up, the little ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. BELLEVUE, WASH.—The developers of Bluetooth have incorporated the short-throw wireless ...

One of the most interesting improvements is the massive boost to range and signal strength. Zigbee 4.0 extends its ...

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 ...

FireBeetle 2 ESP32-C5 IoT development board offers GDI display interface, LiPo battery support, 18x GPIO, USB-C port, and ...

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 ...