Group Project: Security Lock System

Our professor presented to us a primary assignment in week twelve of the academics. He told us that we now had a rudimentary understanding of Arduino and urged us to use our skills in a creative way to create something practical. We will receive a final grade for this project, and after it is finished, we have to make a video showing how it works. He also said that the most creative projects would be on display at a science fair, where many of people, especially schoolchildren, guests and student from other institutes will be able to interact with our project.



We divided into groups of three people as instructed. Our group consisted of me i.e. Abdul Wahab, and my mates Farhan Anwar and Charles Moses. We brainstormed many ideas for a week before deciding to make a project together and we finally came to a decision of building security lock system. We then started discussing the required kits, the Arduino wiring configuration, and the libraries to use. We then gave the idea to the professor, and he gave us the kits we needed to help us with the project development.

Our project consists of four sensors and the following:
  • microprocessor
  • breadboard
  • fingerprint
  • keypad
  • alarm
  • servo motor

The security lock system starts working by entering a secret code into the passkey in order for it to function. The servo motor will turn on if the passkey and fingerprint match the image in the database; if not, an alarm will sound. If the passkey and fingerprint are entered incorrectly, you will need to use a fingerprint scanner to scan the person's finger. We created this system with ease of use and accessibility in mind for all users.


Firstly, we made the code for each sensor separately so that we have no issue left with the code and the sensor. Moving forward with ech sensor, we were stuck with the passkey, as setting the pattern and making connections was very challenging that we almost spent two weeks with it. After we reached the conditions of our lock system, our professor also recommended us to use alarm to increase the pace of project. finally, we combined the whole code into one. 

Although the work was split equally, the coding caused us a lot of difficulty with the project. We had to pick up a lot of new C programming language elements for this project that we had never used previously, like functions. The majority of our difficulties came from attempting to connect several functions so that no part could interfere with another and prevent the system as a whole from functioning. After several weeks, we eventually managed to appropriately code and wire it such that it operates as intended.




Next, we had to make a video for the project that included descriptions, pictures, and videos of what it was and how it worked.

This is the video of the project below:






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