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Author Topic: LCD Driving with MCP23S17 I/O Expander Interface????  (Read 2320 times)
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Modesto, CA
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"Do you hear that Mr Anderson? That is the sound of inevitability"
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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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