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PC Dot Matrix Display

a minimal user interface

In situations where a PC is used as a dedicated controller the user-interface can often be simplified. Just a few input buttons together with this neat alphanumeric display may be all that is necessary…The relative low-cost and versatility of today’s Personal Computer (PC) and the proliferation of programming tools means that its increasingly more common to find PC’s or just PC boards used as the control element in a dedicated application. Whether it is an MP3 player or an industrial controller it is often unnecessary or impractical to use a CRT monitor or LCD panel to display status information. The HIDs (Human Interface Device) for some applications need consist of little more than a few pushbuttons to input and LEDs to output information.
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