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Reference > Libraries > Soldered mcp23017 arduino library

Soldered MCP23017 Arduino Library

Signal Input/Output

MCP23017 board library for Arduino
Are you short on IO pins? Looking to increase the number of them? That's what the GPIO Expander MCP23017 is for! It uses I2C communication to do so. With just two wires, 16 new fully configurable digital IO pins are added to a microcontroller.

Author: Soldered

Maintainer: Soldered

Read the documentation

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Compatibility

This library is compatible with all architectures so you should be able to use it on all the Arduino boards.

Releases

To use this library, open the Library Manager in the Arduino IDE and install it from there.