On September 10, 2025, in Guangdong province, located in southern China, a video captured a small dog walking through a subway exit passage. As it approached the sensor door, the clever animal raised ...

Every smart home owner is likely to be familiar with “passive infra red” (PIR) motion sensors as they’re an easy way to start off making a home a little smarter They’re quite distinctive too, with the ...

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) ...

Lead Edge Capital backs BinSentry’s cutting-edge sensor technology and software platform as the global agriculture industry moves toward automation and precision-driven solutions Investment comes as ...

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 ...

ABSTRACT: This study investigates the optimization of Fresnel lens designs using Zemax software, with a focus on minimizing beam divergence by controlling the output spot diameter on the image plane.

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 ...

Members can download this article in PDF format. Millimeter-wave (mmWave) radar-sensor integrated circuits enable a variety of proximity-sensing applications. Today, 60-GHz radar sensors are replacing ...

As radar technology continues to advance, it offers an increasingly broad range of capabilities, making it a viable alternative to traditional passive infrared (PIR) sensors. With radar’s enhanced ...

ABSTRACT: Geospatial technologies can be leveraged to optimize the available resources for better productivity and sustainability. The resources can be human, software and hardware equipment and their ...

From security cameras to temperature sensors, pet feeders to smart sprinklers, here’s the pet tech I use to look after my critters. If you buy something from a Verge link, Vox Media may earn a ...