Indonesian Journal of Multidisciplinary Science
Vol. 2 No. 3 (2022): Indonesian Journal of Multidisciplinary Science

Designing Digital Combination Keys on Safes

Kunto Wibowo (Faculty of Engineering, Gunadarma University, Depok, West Java)
Bambang Harianto (Faculty of Engineering, Gunadarma University, Depok, West Java)
Moohammad Karjadi (Faculty of Engineering, Gunadarma University, Depok, West Java)

Article Info

Publish Date
09 Dec 2022

Abstract

A digital combination lock is a key that works electronically and only people who know the code can open it and close it. By doing several combinations consisting of 4 digits, namely by pressing the numbers 0 to 9 on the keypad keys. The digital combination lock on the safe consists of a krndali encoder, decoder, comperator, timer and  shif register, also consists of a dc motor that serves to open and pop the safe door. The results of the trials that the safe door conducted when closing and opening it can be set using a potentiote with a lap time of between 1 to 5 seconds.

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Journal Info
Indonesian Journal of Multidisciplinary Science
Website

Abbrev

ijoms

Publisher

CV. International Journal Labs

Subject

Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences

Description

Indonesian Journal of Multidisciplinary Science (IJOMS) is a scientific journal in the form of research and can be accessed openly. This journal has e-ISSN 2808-6724 and p-ISSN 2808-5957. This journal is published monthly by International Journal Labs. The development of the company made the ...