New low-power robot works using echolocation and could find applications in search and rescue missions in difficult-to-access ...

Shoulders says that photoelectric smoke detectors are generally more effective for detecting large particles. Photoelectric ...

Researchers at the Georgia Institute of Technology have created a passive motion/contact sensor that detects motion using ...

A detailed comparison of photoelectric and ionization smoke detectors highlights how each responds to different fire types, with experts stressing UL or ETL certification and proper placement. The ...

Ultrasonic levitation is by now a familiar trick: one or more ultrasonic transducers create a standing wave, and small ...

Arduino’s open-source platform makes it easy for makers, students, and hobbyists to build powerful multi-sensor projects for home automation, monitoring, and IoT applications. From motion and gas ...

This paper explores Ukraine's innovative use of low-cost acoustic monitoring networks to detect and respond to UAS and FPV attack drones.

An often overlooked section in the datasheets for popular humidity sensors like the BME280 and DHT22 is the ‘non-condensing ...