The purpose of DiRetina is to provide a low-cost, portable, and user-friendly tool that can help detect diabetic retinopathy (DR) in its early stages. DR is a common complication of diabetes that affects the blood vessels in the retina, leading…

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…