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

Google has been highlighting its Gemini API and its application for the IoT (the Internet of Things). Specifically, the example it gives is of a voice-controlled LED ring using an Espriff ESP32 board ...

The Cardputer-Adv is an update to the M5Stack Cardputer ESP32-S3 computer with an improved antenna, enhanced audio, a larger ...

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 ...

Energy is expensive these days. There’s no getting around it. If, like [Giovanni], you want to keep better track of your usage, you might find value in his DIY energy meter build. [Giovanni] built his ...

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 ...

Pagers may have largely gone out of fashion in the age of the smartphone, but the T-LoRa Pager from LILYGO puts a modern spin on the class communications device. It’s a portable device with a 2.33 ...