Window sensors are a critical part of any home security system. When cameras fail, a window sensor becomes your last line of defense. Install them on all your windows, and you will know when an ...

IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. You’ve probably seen them—sensors watching from the corners of ...

Nicole McFarlane has received funding from NSF, DOE, and N5 Sensors/ARPA-E. She is a member ASEE and a senior member of IEEE. Sensors are all around. They are in automatic doors, at cash registers, in ...

No matter how they’re used, all Internet of Things (IoT) devices have one thing in common: sensors. Whether they’re sensing the wearer’s heart rate, or the proximity of the car ahead or the viscosity ...