In Malaysia, nine in ten people suffer from one or more sleep problems. Besides self-rated questionnaire to assess sleep quality, there are different types of sleep trackers available. Among them, non-wearable device such as pressure sensor grid…

Hazardous gas detection is a tool specially developed to detect liquid petroleum gas and natural gas at the minimum concentration of gas in the air is 200 ppm and the maximum concentration of gas in the air is 10 000 ppm. Design and build a…