World Journal of Engineering Research and Technology (WJERT) has indexed with various reputed international bodies like : Google Scholar , Index Copernicus , Indian Science Publications , SOCOLAR, China , International Institute of Organized Research (I2OR) , Cosmos Impact Factor , Research Bible, Fuchu, Tokyo. JAPAN , Scientific Indexing Services (SIS) , Jour Informatics (Under Process) , UDLedge Science Citation Index , International Impact Factor Services , International Scientific Indexing, UAE , International Society for Research Activity (ISRA) Journal Impact Factor (JIF) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Scientific Journal Impact Factor (SJIF) , Science Library Index, Dubai, United Arab Emirates , Eurasian Scientific Journal Index (ESJI) , Global Impact Factor (0.342) , IFSIJ Measure of Journal Quality , Web of Science Group (Under Process) , Directory of Research Journals Indexing , Scholar Article Journal Index (SAJI) , International Scientific Indexing ( ISI ) , 

World Journal of Engineering
Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

ISSN 2454-695X

Impact Factor : 5.924

ICV : 79.45

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  • Article Invited for Publication

    Article are invited for publication in WJERT Coming Issue

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    WJERT Rank with Index Copernicus Value 79.45 due to high reputation at International Level

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    Its our Pleasure to Inform you that WJERT Impact Factor has been increased from  5.549 to 5.924 due to high quality Publication at International Level


    JANUARY 2022 Issue has been successfully launched on 1 January 2022.

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Okeke R. O.* and Okoroigwe U. N.


Traditionally, most doors are controlled by manually unlocking, opening and closing them. With time, this method seems to be very strenuous, especially for garage doors as one have to alight from their vehicle to manually operate the door each time; for both opening and closing. As the world gets more technologically advanced, we find new technologies that help us carry out simple tasks more easily. This report details a new method of opening and closing garage doors with the use of a DTMF cell phone remotely, which is more convenient than traditional methods. In this proposed system, operation of the garage door was done by using a mobile phone. The keypad of a mobile phone was used to signal a DTMF decoder interfaced to a micro-controller system which in turn is connected to the mechanism that opens or closes the garage door, provided the correct pass-code was entered. This is based on the concept of Dual Tone Multi-Frequency (DTMF). The buttons on the keypad of the mobile phone generates a unique frequency when pressed. These frequencies were decoded by the DTMF decoder at the receiving end which is fed to the ATMEGA328 micro-processor. When this decoded values match with the values stored in the micro-controller, the micro-controller initiates a mechanism to open the door through a motor driver connected to the garage door. This method of operating garage doors has proven to be more convenient, making the task easier.

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