I began replacing the devices around my home, one by one, with all different kinds of open hardware, rather than the ...

In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units, along ...

If you’re lucky enough to work from home, you’ll soon find that it presents its own set of challenges, mostly related to work/life balance. It can get so bad that you don’t know what day of the week ...

My first foray into the IoT utilized the Espressif ESP8266, an SoC with 32-bit MCU and 2.4-GHz Wi-Fi built in. Since then, I have used many different module variants based on the microcontroller. So ...

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 ...

Smartphones may be pocket-sized computers that can do thousands of different things… but sometimes that’s as much a weakness as it is a strength. I can’t count the number of times I pulled my phone ...

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 ...