Arduino Library for Adafruit MCP23017
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Arduino Library for Adafruit MCP23017
Library and example code with which one can controll multiple rotary encoders ov...
Arduino Library for the MCP23008 (and '9) I2C I/O expander
CircuitPython driver for MCP230xx GPIO Expanders
Arduino library for SPI based MCP23S17 16 channel port expander