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An automatic wash basin tap is quite helpful in maintaining hygiene as it does not need to be touched for water flow. It is especially useful in public places like restaurants and hospitals where a large number of people use the wash basins. Since the water stops flowing after use, it also prevents water wastage.
This circuit lets the water flow from the tap automatically when a person comes in front of the wash basin to wash hands. The water stops flowing as soon as the person tries to leave and removes his hands away from the wash basin. The author’s prototype is shown in Fig. 1.
Watch live DIY Video below
Download Source code
S.C. Dwivedi is an electronics enthusiast and circuit designer at EFY
This project will be published in a few weeks. If you want to access it now, refer to Electronics For You’s March 2023 Issue–print or ezine edition.
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