MCP23017: Have you run out of I/O? This chip is the answer!
Interface MCP23017 (Port Expander) With Arduino Uno - YouTube
Add Digital I/O Pins to Raspberry Pi Hardware Using MCP23017 - MATLAB & Simulink Example - MathWorks Nordic
Arduino and MCP23017 example - Arduino Learning
HALJIA MCU-2317 MCP23017 I2C Serial Interface 16 Bit I/O Expander Seri
GPIO Extension using MCP23017 (CJMCU-2317) on ESP8266 | Жизнь, бизнес и IT
MCP23017 16-Bit I/O Expander I2C - ProtoSupplies
Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
MCP23017 16 Bit IO Expander I2C - SMD - Micro Robotics
More than one MCP23017? | g7smy.co.uk
Tutorial: Maximising your Arduino's I/O ports with MCP23017 | tronixstuff.com
Arduino and MCP23017 example - Arduino Learning
Port expander MCP23017 • Wolles Elektronikkiste
Pinouts | Adafruit MCP23017 I2C GPIO Expander | Adafruit Learning System
Port expander MCP23017 • Wolles Elektronikkiste
How to Connect an MCP23017 I/O Port Expander to an Arduino
MCP23017 I/O Expander IC for MicroControllers - Bryce Automation
arduino uno - What could cause interrupts from MCP23017 suddenly stop working? - Arduino Stack Exchange
ESP8266 Projects
Digital I/O Expander for Arduino | Sony Arouje
MCP23017 and interrupts, no library - Programming Questions - Arduino Forum
MCP23017 Output Using I2C
How To Use A MCP23017 I2C Port Expander With The Raspberry Pi - Part 1 - Raspberry Pi Spy
Tutorial: Maximising your Arduino's I/O ports with MCP23017 | tronixstuff.com
How to Use Port Expanders on the Arduino - Circuit Basics
