Unique and interesting creations with real utility ...

New Espressif microcontrollers shown at CES 2026 point to where low-power Wi-Fi and 802.15.4 designs are heading. The ESP32-E22 brings tri-band Wi-Fi 6E, while the ESP32-H21 targets tiny, ...

What if the future of IoT didn’t depend on Wi-Fi? Imagine deploying a fleet of sensors in the remotest corners of the world, tracking wildlife, monitoring environmental changes, or managing logistics, ...

On the latest HomeKit Insider Podcast episode, Jen Tuohy once again joins to cover the demise of Wemo, Aqara's new gear, and to talk about smart chicken coops. Leading the episode, before getting into ...

Abstract: This research aims to develop an automatic bus route notification system at bus stops using LoRa SX 1278 and WeMos ESP32 modules. This research addresses the lack of real-time bus route ...

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 ...

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 ...

Have you ever found yourself wishing for a development board that packs a punch without taking up too much space? Whether you’re a DIY enthusiast tinkering with your next big idea, a student eager to ...

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 ...

I use a wemos d1 mini esp32 with a rain sensor connected. To minimize the power usage, I tried to use the deep sleep configured with a wakup pin as follows, which terminates the deep sleep. I expect, ...

The Singleboard Alpha is a tiny portable computer that’s… built around a single board (you probably guessed that from the name. But unlike some of the so-called single-board PCs we’ve seen in recent ...

[Cyrill] has a good home automation scheme going: there are a number of physical switches set around the place that control the essential functions. The only problem is that in the winter time, this ...