YOUR Ring doorbell may stop working as usual today as temperatures reach 31C in some parts of the UK. Ring devices perform ...

Hidden cameras in accommodations have become a growing concern for travelers worldwide, with surveillance devices discovered ...

As more reports of hidden cameras in hotel rooms surface, we investigate how to scour your travel accommodation for covert ...

The global revolving doors market size was US$ 908.60 million in 2021. The global revolving doors market size is forecast to reach US$ 1350.2 million by 2030, growing at a compound annual growth rate ...

Our guide has the details you need on using garden security lights to help keep burglars away and to make the space safe for ...

Pyroelectric infrared (PIR) sensor is widely used as motion detector, due to its sensitivity to the infrared radiation changes (IRC) induced by human motion. In particular, it is also possible to ...

In this paper, we introduce a method to estimate the range of an intruder and track its trajectory by utilizing the received signal strength of the heat flux for pyroelectric infrared (PIR) sensors.

Aqara has now launched its official 2025 Prime Day sale, delivering some of the best prices of the year and some historical ...

Modern smartphones use proximity sensors for much more than just turning off screens during calls. These advanced sensors, powered by IR emitters and receivers, detect nearby objects like your hand or ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...