Greenation International Journal of Engineering Science
Vol. 1 No. 1 (2023): (GIJES) Greenation International Journal of Engineering Science (March 2023)

Design and Manufacture of Digital Watches with Sound Output for the Blind Using the Atmega8535 Microcontroller

Liu Zhijian (Hubei University of Technology, Wuhan)



Article Info

Publish Date
01 Mar 2023

Abstract

The purpose of making this device as a media introduction is to facilitate people with visual impairments in knowing time. The device is composed of three main parts: (1). Input section, the main component of the five buttons. (2). Microcontroller parts, with the main component ATMega8535, in this tool ATMega8535 enabled to do the reading keystrokes (3). Voice Section IC chip with the major components and modules WTV020SD ISD25120 voice, in these devices and modules ISD25120 WTV020SD used as a source of sound, according to the address data received from the microcontroller output ATMega8535. Especially for WTV020SD just to make the call to prayer. From the results of the testing that has been done, the device is capable of producing sound hours, where the sound of hours is needed by people with visual impairments who do not have the ability to look at the clock or wristwatch, then this device if pressed the button will emit a sound and when a call to prayer comes in, clock This will sound the call to prayer can help people with visual impairment to remind would pray. From this test it can be concluded that the manufacture of the device is not in accordance with the plan, because (1). There are some voices that are less obvious to distinguish other sounds, (2). Battery life is not too long, (3). The tool is still in the form of a fairly large. The cause of the damage (1). Errors in the sound recording process, (2). The use of components that are large enough to drain the battery, (3). Limited components sold in the market.

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Journal Info

Abbrev

GIJES

Publisher

Subject

Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

Description

Technical Education Civil Engineering Electrical Engineering Informatics Engineering Craft Engineering Architectural Engineering Industrial Engineering Mechanical Engineering Environmental and Safety Technology Basic Chemical Engineering and Applied Chemistry Transportation Engineering Geology & ...