The presented schematic shows how to build a simple PIR motion sensor. PIR sensors allow motion sensing, it is almost always used to detect whether someone has moved in or out of the sensors range.

Unlike infrared optical sensors that use an LED transmitter and IR receiver, the PIR emits nothing. As its “passive” name suggests, it responds only to infrared energy radiated by the object being ...

Geneva, Switzerland, July 24, 2023 – STMicroelectronics (NYSE: STM), a global semiconductor leader serving customers across the spectrum of electronics applications, is launching a novel ...

Motion detection has become an essential ingredient in traditional electronic security and now it is being utilized in access control and video surveillance systems. With more applications and so many ...

April 23, 2008 Thermador's latest range includes electric cooktops with sensor technology that uses an infrared beam to continuously monitor the heat from the cookware itself and automatically ...

Passive InfraRed sensors (PIRs) are electronic devices which are used in some security alarm systems to detect motion of an infrared emitting source, usually a human body. All objects, living or not, ...

Keep your home safe and visible at night while saving energy via quality outdoor motion sensor lights. We tested today’s top ...

If you’ve got an existing smart home rig, motion sensors can be a useful addition to your setup. You can use them for all ...

Entanglement is usually considered to be a prime example of the fantastic challenges which our imagination must master when dealing with quantum mechanics, the non-classical physics. The properties of ...

One of the most interesting parts of the Nintendo Switch has gone nearly unused by game developers, including Nintendo, for the first year of the system’s existence. A mind-blowing demonstration ...

This infrared alarm barrier can be used to detect persons passing through doorways, corridors and small gates. The transmitter emits a beam of infrared light which is invisible to the human eye. The ...