DESIGN AND CONSTRUCTION OF ARDUINO MICROCONTROLLER BASED AUTOMATIC HAND SANITIZER
Abstract
ABSTRACT
Since 2019 COVID pandemic has influenced human life in various sectors. Various attempts were made to reduce the virus transferring, through working from home, social distancing, and also including hand hygiene. AsCOVID-19 are transferrable through touch and contact, there are WHO guidelines to clean or sanitize hands regularly to reduce the risk of infection. Dispensing of sanitizer from bottle and storage would require manual intervention. And so far, most of the available hand sanitizers do not operate automatically. This article aims to make an automatic hand sanitizer which finds it's use in hospitals, workplaces, offices, school sand much more to reduce the risk due to contact. Here, the system can sense the proximity with the help of ultrasonic sensor and sends signal to microcontroller (Arduino Nano).The controller processes the sensor data & actuates the pump and sole noid valve. And the result is the sanitizer liquid dispenses through mist nozzle.
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