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Topic: LCD Driving with MCP23S17 I/O Expander Interface???? (Read 7219 times) previous topic - next topic


sorry this thread is probably old but have you tried this http://playground.arduino.cc//Main/LiquidCrystal
I modified the original library for SPI but using 74HC595, it shouldn't be that difficult to modify it for the MCP23S17
take a look at it.

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