An Open-Source Non-Contact Automatic Alcohol Gel Dispenser by using Embedded Real-Time Systems

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Abstract This paper is intended to solve a detail in the precautions to avoid the spreading of the coronavirus. Indeed, spreading by contact could lead to a new outbreak of the epidemic and a return of coronavirus. Two applied means to avoid the spread of COVID-19 are wearing masks and using an alcohol gel dispenser. In this paper, a non-contact automatic alcohol gel dispensed (AAGD) is proposed. This device is based on microcontroller device “Arduino Nano”, Ultrasonic sensor “HC-SR05” and servo-motor of 1 Nm. It can be used and integrated in the schools, markets, and different companies. In this focus, the AAGD works without touching by hand that could have touched the nose and not cleaned 100%. This property is important in this crisis period, especially since the appearance of coronavirus delta variant. This real-time device is nice to operate, and could be produced using quite common control devices, a too high or complicated technology level would reduce its application.

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