A panel that is both environmentally friendly and user-safe, while boasting superior thermal insulation, has been ...

Abstract: In this paper we present a way to reduce the standby power consumption of a PIR-sensor-based lighting device. Generally, although a PIR-sensor-based lighting device will turn on when motion ...

Abstract: Pyroelectric infrared (PIR) sensors are widely used as a simple but powerful people presence triggers, e.g., automatic lighting systems. In particular, by alternating the effective ...

The PIR library implements a class to monitor 1 or more PIR sensors. The library supports default 8 PIR sensors per object, which typically are added in setup(). It is possible to add a sensor (pin) ...

The Mailbox Guard is a device that detects when a new letter or package has been delivered to your mailbox using a PIR sensor and door reed switch. It can send a signal to your LoRa gateway, then the ...

The neck consists of several groups of muscles, including spinal muscles, anterior, posterior, and superficial neck muscles, and suboccipitals. Gentle neck stretches can help improve flexibility and ...