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) ...

Abstract: Unattended ground sensors (UGS) are widely used to monitor human activities, such as pedestrian motion and detection of intruders in a secure region. Efficacy of UGS systems is often limited ...

A little girl who swallowed a drawing pin died after weeks of agony because of botched medical care. An operation on five-year-old Phoebe Birdseye successfully removed the pin. But several doctors ...

The library gives control over up to 16 parallel working PIR devices over I2C. The idea for this library came up in a discussion about how to fully cover an area with PIR sensors without blind spots ...

When it comes to modern electronics, the word “smart” seems to apply to almost every kind of device on the market, especially building automation products such as motion sensors and consumer products ...

Posts from this topic will be added to your daily email digest and your homepage feed. The long-promised Thread sensor is finally here, but while there are some improvements, Matter’s shortcomings ...

Kentucky’s state house is out of session, but advocates are wasting no time lobbying for legislation they hope can protect some of the Commonwealth’s most vulnerable people. A group of Southern ...

A YOUNG boy died after swallowing a drawing pin as his heartbroken mum told an inquest today he was the “light of our lives”. Kyle Lewis, five, was at his uncle’s home in Rotherham, South Yorkshire, ...