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hd44780 does not work on PCF8574 based port extenders #23

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mrmorphic opened this issue Feb 5, 2014 · 1 comment

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mrmorphic commented Feb 5, 2014

as discussed on http://forum.arduino.cc/index.php?topic=158312.15 there are at least two variations of port extenders with different pin mappings to the LCD display itself.

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mrmorphic commented Mar 25, 2014

This is delayed as I'm waiting for a new LCD display to test against the port extender.

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