MicroPython driver for MCP23017 16-bit I/O Expander

Raspberry Pi Python Libraries for the expansion boards from AB Electronics UK

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

C Code and demos to use with the Raspberry Pi boards from AB ElectronicsUK

MCP23017 implementation for Home Assistant (threadsafe, lower latency and config flow support)

Erriez Arduino libraries

Raspberry Pi NodeJS Libraries for the expansion boards from AB Electronics UK

C++ Code and demos to use with the Raspberry Pi expansion boards from AB Electronics UK

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

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

Use character liquid crystal display (LCD) in Elixir

MCP23017 I2C AccelStepper library for Arduino

Windows 10 IOT .net class libraries for the Raspberry Pi expansion boards from AB Electronics UK

Interrupt driven keypad/keyrow library for MCP23017 GPIO port expander

Home Assistance Custom Components to use with Raspberry Pi expansion boards from AB Electronics UK