ABSTRACT
This project shows the construction of a microcontroller based security door using smart card. It is aimed towards programming the microcontroller to control the hardware in sliding door. The system consists of a microcontroller 89S52 which sends a signal to the multiplexers on insertion of the smart card in the card slot. The multiplexers consist of ICS which prompts for a display of the identity of the card user in the liquid crystal display (LCD). The LCD displays the status of the card. On validation of the card, the LCD displays a welcome note to the user and prompts for a pin code. The pin code is being keyed in from the key pad. If confirmed by the program written into the microcontroller access will be granted, otherwise no access, giving the user two more chances to insert the correct smartcard or pin code to it, before final denial of access and alarm. When access is granted, the card sends a 5volt signal to the microcontroller which triggers relay, resulting in the opening of the door
Entomologicalsurveyswereconductedtodeterminethebiologicalandphysicochemical parameters influ...
Abstract: FINANCIAL RISK MANAGEMENT IN SMALL AND MEDIUM ENTERPRISES
This study investigates the impact of financial risk management on th...
ABSTRACT: This study examines the importance of addressing cultural competency in vocational education programs, aiming to prepare students fo...
ABSTRACT
Proving the correctness of a program transformation, and specifically, of a compiler optimization, is a long-standing research p...
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Effective antibiotic management of diarrhoea caused by bacterial organisms faces challenge of antibiotic resistance which combin...
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Generally, the importance of tourism keeps rising day by day and in all its ramifications, it is of significant importance to th...
ABSTRACT
The relevance of SME-sub sector in Nigeria’s economy has necessitated the need for empirical investigations i...
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The discourse of alienation, provoked by environmental despoliation due to the activities of multinational oil companies in the...
Abstract
This study is on strategies for improving low academic performances in English language in secondary scho...
ABSTRACT: This research assessed the long-term effects of early childhood educa...