We may receive a commission on purchases made from links. Motion detectors might make you think about smart security systems and surveillance, but they can be great and inexpensive tools that you can ...

Everyone wants lower energy bills. If you're looking for ways to save energy and money, motion sensor lights can help more ...

A couple who have lived in their country home for 25 years are now in a dispute with new neighbors who built a house 20 feet ...

If you have mischievous children or forgetful elderly in your life, you might want to build a couple of these tiny motion detection alarms to help keep them out of harm’s way. Maybe you want to keep ...

If you're looking for a presence sensor to help you build up your smart home, the new Aqara FP300 is an especially capable ...

IKEA's GÖMPYSSLING motion sensor light is designed with affordability in mind but lacks in terms of brightness, customization ...

The best home security systems are user-friendly, affordable and customizable to your needs. NerdWallet is committed to editorial integrityMany or all of the products on this page are from partners ...

Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor ...

A new motion sensor incorporates micromachined thermal transistors to facilitate human presence and motion detection in security systems, home automation equipment, and Internet of Things (IoT) ...