Last time, I used an Arduino to build a small clock that retrieves the time via Wi-Fi.Click here for the previous article: I ...

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

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

Mass public gatherings — religious festivals, election rallies, political campaigns — are a recurring feature of Indian ...

The ESP32 S3 Super Mini delivers dual-core processing up to 240 MHz for just $4. Build compact AI and IoT projects with built ...

My Bambu AMS only gave me a letter grade for humidity, so I added a $2 sensor to know exactly what the relative humidity is ...

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 ...

Don't let dry air or humidity issues trouble your home this winter. Here's how smart thermostats can help. Humidity issues are always bad news for a home. When humidity falls too low, like it often ...

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

Most of us give up on Bluetooth once we walk into the next room, so this result is worth a second look. The team behind the ...

A dense IoT sensor network exposed striking vertical and longitudinal gradients of temperature, humidity, and carbon dioxide ...

Maker, meme-r, and unabashed geek, Joe has been writing about technology since starting his career in 2018 at KnowTechie.