Singapore, Jan. 21 -- A team led by Dr K.K.Y. Wong and Dr Y.K. Choi at the Department of Computer Science of the University of Hong Kong (HKU) has designed and developed a multi-purpose IoT (Internet of Things) device named Stay Alert Stay Healthy (SASH) box which can be applied in multiple scenarios, providing a one-stop service for the public eager to stay safe during the COVID-19 pandemic.

The SASH box is built on the low-cost Raspberry Pi 4 which provides the computation resources necessary for hosting a lightweight server application as well as analyzing the incoming data from its attached sensors.

It can be used to detect people with abnormal body temperature, whether they are wearing a face mask or not. It can also crawl updated ...