LCD Display Of Lab Status

Chan, Guan Zen (2009) LCD Display Of Lab Status. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is about designing a LCD display to display the status of the lab status, and the LCD module will be mount on the lab window or wall .The project is created to avoid class being disturb by creating a LCD display to show a message to the user want to display. It can be done by display the numeric, alphanumeric like "Lab in Progress" or Lab not in use" on the LCD activate by a push button. Not just that it also must interface to the security lock and display the status of acceptance of the lock. It can also display in LED indicate the lab status and password status. This is done by intertace the LCD and 16F877 A to display the password status ("Password accept" or Password reject") of the digital lock on the LCD and control the magnetic lock using PIC 16F877 A which use as a security system. Then use of C language to control the whole system which is loaded to the PIC 16F877 A microcontroller. Lastly the design of circuit must be user friendly that can be reprogrammed without taking out the microcontroller PIC16F877 A and it done by create a ISP (in circuit programmer) to the system. The advantages of this project is cheaper compare to the commercially available product and it is useful and can be use in any office, home, store, lab and etc. And lastly overcome the disadvantages of the nom1a1 security door lock which does not working during power failure.

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