Last time, we used a light sensor to measure the ambient brightness with an Arduino. When the light hitting the light sensor ...

Ever since the prices of Raspberry Pi single-board computers hit deranged levels, I’ve found myself gravitating towards the ...

One of the best aspects of ESP32 boards (and by extension, sensors) is their dirt-cheap pricing, and that’s pretty much why I ...

DCF77 is a German VLF transmitting station that broadcasts a time signal across Europe on 77.5 kHz. Thus a common sight in a ...

Build your own ESP32 and ESP8266 projects this weekend. We detail 10 practical IoT builds, including a Wi-Fi weather station using a DHT22.

Build modern electronics the easy way: combine ready-made modules with a little wiring and software to create a complete new ...

The flip-flop, aka latch, can also be understood as Bistable Multivibrator as two stable states. Generally, these latch ...

Tiny ingestible sensors could offer continuous, accurate monitoringof patients who are sick or at risk of hypothermia.

Xfinity is launching Xfinity Shield, a new combination of security features. Comcast Comcast on Monday announced Xfinity Shield, a home-security platform that taps into Xfinity Wi-Fi in new ways. It ...

An Android phone can replace several everyday gadgets — that’s nothing new. But what most people don’t realize is that it goes well beyond the obvious stuff like cameras, flashlights, radios, and ...

If you prefer not to have cameras in and around your home, there are other, more private security devices worth considering. The good news is you don’t need a camera to secure your home or detect ...

It seems a simple decision — using a fan to cool yourself down amid yet another heat wave. But in the extreme conditions much of the country is currently facing, it may not help as much as you’d think ...