Research Article
Design of a Wirelessly-Updated Digital Clock with Android Interface
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
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| Volume 175 - Issue 15 |
| Published: Aug 2020 |
| Authors: E. O. Idiaghe, R. I. Osaze, E. Osazee |
10.5120/ijca2020920641
|
E. O. Idiaghe, R. I. Osaze, E. Osazee . Design of a Wirelessly-Updated Digital Clock with Android Interface. International Journal of Computer Applications. 175, 15 (Aug 2020), 6-10. DOI=10.5120/ijca2020920641
@article{ 10.5120/ijca2020920641,
author = { E. O. Idiaghe,R. I. Osaze,E. Osazee },
title = { Design of a Wirelessly-Updated Digital Clock with Android Interface },
journal = { International Journal of Computer Applications },
year = { 2020 },
volume = { 175 },
number = { 15 },
pages = { 6-10 },
doi = { 10.5120/ijca2020920641 },
publisher = { Foundation of Computer Science (FCS), NY, USA }
}
%0 Journal Article
%D 2020
%A E. O. Idiaghe
%A R. I. Osaze
%A E. Osazee
%T Design of a Wirelessly-Updated Digital Clock with Android Interface%T
%J International Journal of Computer Applications
%V 175
%N 15
%P 6-10
%R 10.5120/ijca2020920641
%I Foundation of Computer Science (FCS), NY, USA
Abstract
This paper presents the design of a digital clock, while providing an easy and convenient means of updating the time, and/or any other message that may be displayed. The aim was to design and also introduce a user-friendly update mechanism through creating input methods – using a 4x4-numeric keypad for data input, establishing communication protocol with Bluetooth and output method using a liquid crystal display. The design incorporated both hardware and software in achieving this aim, with the hardware consisting of LCD, LEDs, RTC, HC-05 Bluetooth module, and a 4x4-numeric keypad. The software is handled by a ubiquitous microcontroller – ATmega16A, programmed in C++, as well as a generic HC-05 Android Bluetooth Application for data input (in addition to the hardware means of update – keypad). Hence, this design introduced convenience (user-friendliness) as compared to clocks which are manually updated. The overall design had percentage accuracy and error of 99.17 and 0.8 respectively.
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