The Virtu ultrasonic proximity sensor is available in models with analog voltage or current outputs and has a range of 2 to 20 in. The $129 sensor is offered in dual-mount or barrel-style housings.

Gauhati University researchers have created a flexible, low-cost sensor using pencil, paper and graphene, marking a step ...

Researchers designed an IoT network using sound and motion sensors that estimates public space utilization. The ideas can be applied to other IoT sensor networks. Sensor Fusion for Public Space ...

One feature of the COVID-19 virus that makes it so difficult to contain is that it can be easily spread to others by a person who has yet to show any signs of infection. The carrier of the virus might ...