DESIGN AND CONSTRUCTION OF AN ELECTRONIC DIGITAL DISPLAY SYSTEM (MOVING MESSAGE DISPLAY)
Abstract The aim of this project work is to design and construct an electronic digital display system, based on light-emitting diodes connected in an array that forms the information to be displayed i.e. “GREAT NIGERIAN STUDENTS”. This project is useful for creating attention – getting messages, presentations, advertisements and location identifiers. The system consists of power supply unit, oscillator unit, counter unit, driver unit and output unit. The power supply ...
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