Motion detectors might make you think about smart security systems and surveillance, but they can be great and inexpensive tools that you can use around your home for other purposes as well. Motion sensors are easily programmable, and they can be connected to pretty much any other device without much tech know how. Theyre small and often cost less than $50, like the Ring Alarm Motion Detector . You can place them strategically around your home to automate lighting, monitor activity, or notify...
