If you're savvy and want to do a bit more home monitoring, these interesting sensor ideas might be worth trying.

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors. The ...

Rhenn is a Manila-based content writer with a love for all things geek and pop culture, and science and technology. He has over 1,900 articles to his name, most of which exploring the many dimensions ...

Ever wondered why your phone's display turns off when you're on a call or bring it close to your face? That's the proximity sensor detecting if you are using the earpiece to talk, thus turning off the ...

LEDs are a wonderful technology. You put in a little bit of power, and you get out a wonderful amount of light. They’re efficient, cheap, and plentiful. We use them for so much! What you might not ...

Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation. Previously, Amanda has worked as a technology strategist specializing in problem solving and ...

The image sensor is arguably the most important component in a digital video or still camera. But these sensors are also notoriously non-standardized. They tend to differ in the schemes used for: ...

Once you have enabled fingerprint sensor shortcuts, you can use them by double-tapping the fingerprint sensor. For example, if you have enabled the flashlight shortcut, double-tapping the fingerprint ...

Conventional thermostats are based on separate temperature sensor and heater devices with means for feedback between them. But in some recent EDN design ideas (DIs) we’ve seen thermostat designs that ...