Challenge Problem: Develop a design concept for a computer-interfaced electronic display board that can be placed in the lobby of an office building to display messages of the day, announce upcoming seminars, and indicate the location of special events. The objective of the problem is to use a matrix of addressable light-emitting diodes (LEDs) rather than a video display. The system should accept messages by wire from a remote site or by an administrator’s mobile phone. One approach might be to design your display board system so that it is capable of independently connecting to a wireless computer network. Alternatively, you could build a separate remote device that could be connected to a laptop computer or tablet device and then brought to the display board to load in the data. These examples are suggestions only. In general, any means for getting data to the board is acceptable, but an adjunct electronic device cannot become a dedicated part of the finished display.
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