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Large HD 44780 display

Discussion about LCD's and other related hardware

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Hugh B

Large HD 44780 display

Post by Hugh B »

Hello gentlemen. Its been a few years since Ive been on site. Here's a question; would it be possible to take a cpld(altera) and re-create the chip logic of the hitachi and create a large alphanumeric led based display that could be controlled by smartie?
Maybe it would be possible to use the hitachi chip itself and build the led matrix around it? A 16 character 5X7 matrix screen would have 560 leds. Any ideas or projects along these lines please share.

Thank you
Hugh B.
AAS EE, M.E.C.P.,Certified CAD/CAM operator

limbo
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Re: Large HD 44780 display

Post by limbo »

The best successful try to drive LED display using custom hardware can be found here http://www.harbaum.org/till/ledmatrix/
There are few more solutions published on the net (http://www.instructables.com/id/Make-a-giant-LED-sign/)

From my point of view it depends on the hardware knowledge.

Good luck! :)

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