Use "#define COMPATIBILITY_MODE" - then the library should work on all Arduino compatible boards Remove above for the best performance on 16MHz AVR Use "#define CS_ALWAYS_LOW" for LCD boards where CS ...
This library gives easy control over the 8 pins of a (SPI) MCP23S08 chip. This IC is strongly related to the MCP23017 I2C port expander - https://github.com ...
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