Kangaroo’s new sensor (we’ve previously reviewed its motion-only sensor) makes for an enticing choice given its no-tools, no-hub setup, not to mention its $30 price tag.

Activity trackers like FuelBand are great if you just want to exercise, but Zepp Labs' new 3D motion sensor might be more useful if you're seriously training in a sport -- especially if it's ...

"Sandia Creates Motion Detector 1,000 Times More Sensitive Than Any Known." ScienceDaily. ScienceDaily, 30 September 2004. <www.sciencedaily.com / releases / 2004 / 09 / 040930121812.htm>.

As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface.

One of the most common first sensors people buy for their home is a motion sensor. But in almost all cases, you want a presence sensor instead. The one I'd want is the FP300, which Aqara released ...