There's a lot you can do with this overlooked component ...

The air around us rarely announces itself. Exhaust from a busy road, dust from a building site, smoke from burning leaves, fumes from a kitchen, or a closed ...

Build a tiny ESP32 OLED keychain with a 1.3-inch display and custom 3D-printed enclosure. Wire the ESP32 S3 and program it via Arduino.

Smart home gear keeps consolidating around the Matter smart home standard, and a lot of the newest devices run on Thread, a low-power mesh network that sits alongside your Wi-Fi instead of on it. Most ...

IT TAKES only a small pool of stagnant water for mosquito larvae to breed. And by the time they grow into adults, the problem ...

Build a DIY ESP32 LoRaWAN sensor node to track garden temperature and humidity from up to 600 meters away. Includes PCB ...

About five years ago, I worked on IoT for my job. I once used this DHT11 (a blue temperature and humidity sensor) to build a ...

Let's use Arduino to make a light that turns on automatically only when someone approaches and turns off after a while.This time, we will use a PIR motion sensor that detects changes in infrared rays ...

Samantha Lauriello is a social media strategist and editor. She was previously an assistant editor at Health before moving over to Travel + Leisure as a social media editor. Your sleeping environment ...

The temperature of your CPU is one of those things you don't really think about unless something is wrong with your PC. When it's working, this tiny chip makes everything you do on your computer — ...

October 27, 2026 • President Trump and Silicon Valley tech bros are obsessed with IQ, but the history of intelligence testing is full of bunk race science and eugenics. With the rise of AI's "super ...

EPA has established air sensor loan programs independently and through collaborations with libraries, tribes, museums, and others to enable the public to learn about air quality in their communities.