IMPLEMENTATION OF AN SMS AND VOICE-CONTROLLED ELECTRONIC BILLBOARD

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dc.contributor.authorOtuoze, Abdulrahaman
dc.contributor.authorNT, Surajudeen-Bakinde
dc.contributor.authorOjo, E.S.
dc.contributor.authorAkindiya, D.J.
dc.contributor.authorIbidun, B.F.
dc.contributor.authorAdeniyi, A.
dc.date.accessioned2021-11-26T11:17:59Z
dc.date.available2021-11-26T11:17:59Z
dc.date.issued2016
dc.description.abstractThe use of electronic medium in communication system is on geometric rise due to its flexibility, attractiveness, speed and efficiency. Various modes have been adapted in the transformation from the use of traditional billboards to electronic billboards in information dissemination. These modes include colour coated glass paper display, reflective mode display method, on-board editing of the content of an electronic billboards etc. with complicated problem of modifying the displayed content. This paper presents an implemented short message service (SMS) Controlled Electronic Billboard with Audio Output to enable ease and comfort of the administrator who determines the content of the billboard from any location. The input can be from a mobile phone or a web-based SMS application, provided the source is linked to a service provider. The billboard basically contains a microcontroller unit (AT89S52), a Subscriber Identity Module (SIM) modem and a matrix of Light Emitting Diodes (LEDs). The input to the display comprises a SIM900 Global System for Mobile communication (GSM) modem that takes care of the SMS and voice call reception for broadcasting any voice call placed on the SIM to the target audience. The text is received by the SIM modem and is transferred to the microcontroller which decodes the message using a set of rules. The decoded message is then used to automatically switch ON and OFF appropriate LEDs in order to display the character received as SMS on the screen of the billboard. Also, Voice call functionality has been incorporated to enable it receive calls and broadcast the audio message with a reasonable sound level to the target audience. It was designed, constructed, tested and found to meet the design specifications.en_US
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/7027
dc.language.isoenen_US
dc.publisherAhmadu Bello University, Zariaen_US
dc.subjectElectronic billboarden_US
dc.subjectmicrocontroller uniten_US
dc.subjectSMSen_US
dc.subjectSIMen_US
dc.subjectLEDsen_US
dc.titleIMPLEMENTATION OF AN SMS AND VOICE-CONTROLLED ELECTRONIC BILLBOARDen_US
dc.typeArticleen_US

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