An infrared temperature sensor is a tool I would like to add as another essential tool to your press room. They cost only about $100 which is very little in comparison to the payback they offer. I ...

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 ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

First-person view of someone aiming a TV remote at a smart TV - Proxima Studio/Shutterstock In recent years, IR blasters have become a standard part of smart TV systems, but it's not always clear just ...

You can use mmWave sensors to monitor presence rather than simply detecting motion.

In recent years, IR blasters have become a standard part of smart TV systems, but it's not always clear just what these devices are or do. For starters, the IR in the name stands for infrared, which ...