hd44780 does not work on PCF8574 based port extenders

mrmorphic / hwio

Go library for hardware I/O control, in the programming style of Arduino

BSD 3-Clause "New" or "Revised" License

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Open mrmorphic opened 10 years ago

mrmorphic commented 10 years ago

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.

mrmorphic commented 10 years ago

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