Bill Board Wifi Based Bill Board Led Display


Authors : Altaf Alam; Md. Zargham; Tahseen Ahmad; Vivek Kumar; Punit Ranjan; Avinash Kumar; Dr. Dheeraj Gupta; NIKHIL GUPTA; ASTHA DIXIT

Volume/Issue : Volume 7 - 2022, Issue 5 - May

Google Scholar : https://bit.ly/3IIfn9N

DOI : https://doi.org/10.5281/zenodo.6547882

In optoelectronics, the use of light emitting diodes (LEDs) has been of great importance. Now a day LEDbased moving-message displays are becoming popular for transmitting information to large groups of people quickly. The control of LED matrix is based PIC18F4520 microcontrollers. This micro controller was programmed using C language. The number of the microcontroller’s pins used in controlling the LED matrix was strictly minimized to three by adopting the serial to parallel mode of signal transmission. The design of the project was done and simulated with Proteus software. The LED matrix was constructed on a vero board. The drive circuitry which consists of the microcontroller, two ULN2803s, nine 74HC595s and other peripherals was constructed on a printed circuit board.

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