MicroPython driver for MCP23017 16-bit I/O Expander

Complete support of MCP23017

ESP32 based ethernet I/O board for home automation

Library for the MCP23017 and MCP23S17 I/O Expander

Smarthome for Caravans and Motor Homes - System for measuring and displaying various values in caravans and motor homes, including climate values, fill levels and leveling data, energy data, propane/butane sensor. incl. display, config website, test routines, etc. Own circuit board created

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 implementation for Home Assistant (threadsafe, lower latency and config flow support)

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

Erriez Arduino libraries

A simple driver for ESP8266 enthusiasts out there to drive MCP23017 16-bit IO Expander

MCP23017 a 16-Bit I2C I/O Expander with Serial Interface module

MCP23017 I2C AccelStepper library for Arduino

Use character liquid crystal display (LCD) in Elixir

Library to access the MCP23017 including interrupts

An extensive and expandible home automation hardware and software system

ST7920_I2C_MCP23017_GLCD Library

GoLang MCP23017 driver that uses Linux I2C calls

MQTTany is designed to make it easy to connect hardware on single board computers to your home automation solution.

MCP23017/08 GPIO expander chip Python module for raspberrypi

Interrupt driven keypad/keyrow library for MCP23017 GPIO port expander