With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

Abstract: Continuous monitoring of the speed of fans in terms of rotations per minute (RPM) can offer several benefits such as fault diagnostics, the prognostics, and the amount of offered propulsion.

Abstract: Multiple water quality sensors are required to construct a network for continuous and precise monitoring of water quality in natural environments. Therefore, low-cost sensors are necessary ...

The sensor continuously sends out infrared light and measures how much of that light is reflected. When a reflective object is within its set detection range, it returns a low signal. The Arduino ...