This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

ABB today announced the launch of two major innovations for continuous water analysis (CWA): the AeroStar ™ family of dissolved oxygen sensors and the AWT424 transmitter. Together, these innovations ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Home security and alarm systems have become smarter, more affordable and far easier to install in recent years, with most offering app control and integration with other smart home devices, and some ...

An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention. The “automatic toll gate system project” demonstrates how simple sensors and ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Air quality infamously drops as the days grow cold and we ...

Is a human micro-motion sensor that can detect and recognize moving, standing, and stationary human body. The code in this library is based heavily off this LD2410, Waveshare and RD-03 documentations.

Abstract: Ensuring safety at railway gate crossings is critical to preventing accidents. This paper presents an innovative system utilizing Infrared (IR) and Passive Infrared (PIR) sensors to enhance ...

Abstract: During war fields and natural disasters like earthquakes, rescue crews struggle to find victims due to people being buried under debris, stuck in inaccessible locations, or unseen by rescue ...

Scroll down for hints and conversation about the puzzle for Tuesday, Jan. 6, 2026. By New York Times Games Scroll down for hints and conversation about the puzzle for Monday, Jan. 5, 2026. By New York ...