Humans spend about 80% of their time indoors, but keeping track of the air we breathe usually requires expensive lab-grade ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Abstract: The hand sanitizers are playing major role in people’s life when the corona virus had started infecting all around the world. To not infecting the corona virus there are some precautions to ...

Abstract: Farmers cannot take care of their farms 24x7 so when farmer is far away from the field, he cannot take care of his form so this will cause in the production of the yield when the animals ...

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