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

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 ...

[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 ...

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 ...

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 ...

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 ...

It’s no exaggeration to say the ’00s have been the decade when the electronic sensor left the factory floor and went, well, everywhere. Manufacturers and retailers use RFID tags to track inventory.

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 ...