Complete support of MCP23017

Library for the MCP23017 and MCP23S17 I/O Expander

Arduino Relay controling sketch with multiple button types (mono-/bi-stable, reed switch), multiple actions (click, double-click, long-click) and MySensors protocol (Serial and MQTT)

MCP23017 8/16-bit I/O Expander (mcp23) with advanced features for linux based systems

MCP23017 I2C AccelStepper library for Arduino

ST7920_I2C_MCP23017_GLCD Library

Interrupt driven keypad/keyrow library for MCP23017 GPIO port expander

Драйвер раcширителя GPIO MCP23017 для ESP-IDF

Adding Digital I/O To Your Arduino Article Resources

This is where i try to integrate everything in one project just for fun.

Code for portable wire harness tester for 113 connections.

A small sample program to create FreeRTOS tasks on an ESP32 (Arduino Framework using PlatformIO) using the Adafruit MCP23017 Arduino Library. The programm creates RTOS tasks to keep Pins on an MCP23017 I/O Expander to a defined state for a certain amount of time.

Erriez MCP23017 16-pin I2C IO-expander library for Arduino

Scrolling led ticker, built from scratch and programmed

Complete support of MCP23017 for Raspberry Pi

A LinuxCNC HAL user component driving a MCP2301 port expander connected to an i2c bus

Elite Dangerous Ships Integrated Control

Complete support of MCP23017

The repository contains examples of using the MCP23017 expander with Arduino. The MCP23017 expander uses I2C communication with Arduino.

Contains an Arduino I2C communication example. The I2C communication occurs between the Arduino Uno and the MCP23017 integrated circuit.