Door sensors detect door position (i.e., open or closed) based on the precise gap between the magnet and the reed switch.

Joe Supan is a senior writer for CNET covering home technology, broadband, and moving. Prior to joining CNET, Joe led MyMove's moving coverage and reported on broadband policy, the digital divide, and ...

While there is a time and place for wirelessly controlled devices, sometimes you want something you can just reach out and ...

I wore the world's first HDR10 smart glasses TCL's new E Ink tablet beats the Remarkable and Kindle Anker's new charger is one of the most unique I've ever seen Best laptop cooling pads Best flip ...

Buttons are microchips housed in small, round, metal containers, and are similar to coin cell batteries in appearance. Among ...