Development and Implementation of Microcontroller-based Improved Digital Timer and Alarm System

dc.contributor.authorAjao, L. A.
dc.contributor.authorAdegboye, M. A,
dc.contributor.authorDogo, E. M.
dc.contributor.authorAliyu, S. O.
dc.contributor.authorMaliki, D.
dc.date.accessioned2025-04-29T14:35:39Z
dc.date.issued2016
dc.description.abstractTime plays an important role in our daily activities, more particularly in sectional events or conference arena where there is need for accurate time management. This paper focuses on the development and implementation of an improved digital timer with audio-visual unit using (PIC16F887) microcontroller chip and other electronics component such as LCD, 7-segment display, LED and buzzer as an I/O device. Thus, the need for this device in our daily activities is to monitor the time scheduled for events, updating and alert the audience using an audio-visual approach. The proposed system allows apt time management and avoids time wastage during seminar presentations and the likes. It particularly helps presenters to be time conscious, thus, making them to naturally adjust such that the allotted time is enough to cover up their presentation. The digital timer and alarm system presented herewith is also of advantage to the physically challenged like the deaf and blind in monitoring their sectional activities and to be fully involved about the event situation. The system was designed in different modules, and all were interfaced together with firmware chip to simplify the mechanism’s fault diagnoses and fault corrections.
dc.identifier.urihttp://repository.futminna.edu.ng:4000/handle/123456789/1342
dc.language.isoen
dc.subjectdigital timer
dc.subjectsignal module
dc.subjectconference arena
dc.subjectphysically challenged
dc.subjectfirmware chip.
dc.titleDevelopment and Implementation of Microcontroller-based Improved Digital Timer and Alarm System
dc.typeOther

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