In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

Although Christmas may be several weeks behind us, various colorful LED contraptions can nowadays be found in our houses at any time of year. [Tim] got his hands on an LED curtain that came with a ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or ...

This section defines the network credentials and server details required for sending the email. The ESP32-CAM connects to WiFi using the SSID and password. The host address, HTTPS port (443), and API ...

What if every person you meet, including those you’ve yet to cross paths with, is quietly tethered to you by a single thread you can't even see? That's the premise of the invisible string theory. The ...

We asked experts about why our LED bulbs seem to die ahead of time. Here are the reasons they gave. Tyler has worked on, lived with and tested all types of smart home and security technology for over ...

Before he became one of the biggest stars in bluegrass and country music, Billy Strings grew up in Muir, a small community located between Lansing and Grand Rapids. The Grammy Award-winning artist is ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

NeuroBand is a specialized smart safety armband engineered to provide timely assistance to elderly and high-risk individuals during emergencies. Its primary goal is to mitigate the risks associated ...