Design of automatic hand sanitizer with ultrasonic sensor
Author(s) -
Jonathan Lesmana,
Agus Halim,
Agustinus Purna Irawan
Publication year - 2020
Publication title -
iop conference series materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1007/1/012164
Subject(s) - hand sanitizer , nozzle , pressing , arduino , microcontroller , mechanism (biology) , lever , automotive engineering , computer science , engineering , embedded system , mechanical engineering , medicine , philosophy , epistemology , pathology
An automatic hand sanitizer allows the discharge of the sanitizing liquid without pressing any nozzle. The design of the automatic hand sanitizer is focused on the mechanism of pressing the nozzle of the hand sanitizer that involves conversion from a rotation movement into a translation movement. VDI 2221 method is used to design the automatic hand sanitizer, which uses Arduino Nano as the microcontroller, servo motor as the motor, ultrasonic sensor for detecting the movement from the environment, and rack and pinion system as the mechanism for pressing the nozzle from the hand sanitizer. The prototype of automatic hand sanitizer has worked well and has become a reference for further development.
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