In daily life, we inevitably touch various public facilities, such as the switch of the company’s water dispenser. Since drinking water is everyone’s daily and you need to touch the switch of the dispenser many times a day. In order to avoid cross infection caused by bacterial virus transmission as much as possible, I made […]
The post Non-contact Switch for Public Water Dispenser – Arduino appeared first on Open Electronics. The author is Carlo Palumbo // Read more: original article.

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