Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
four mcp23017 on a raspberry pi zero is possible? - Raspberry Pi Forums
Amazon.com: XICOOLEE MCP23017 I/O Expansion Board Module SG-IO-E017, 16 I/O Pins Supports for Raspberry Pi Series, Onboard 3-Digit DIP Switch, I2C Interface Compatible with 3.3V/5V Working Level : Electronics
gpio - Daisy Chaining MCP23017 & Addressing - Raspberry Pi Stack Exchange
Hooking it all up | MCP230xx GPIO Expander on the Raspberry Pi | Adafruit Learning System
MCP23017 Port Expanders | 8BitCoder
How To Use A MCP23017 I2C Port Expander With The Raspberry Pi - Part 1 - Raspberry Pi Spy
IO Expansion
Amazon.com: CQRobot Ocean: MCP23017 IO Expansion Board Compatible with Raspberry Pi/Micro:bit/Arduino/STM32 Motherboard. I2C Interface, Expands 16 I/O Pins, Up to 8 Expansion Boards Can be Used Simultaneously. : Electronics
Connecting a mcp23017 to your Raspberry Pi | Pi bits
Raspberry Pi SPI and I2C Tutorial - SparkFun Learn
MCP23017 module - GPIO pin expander - 16-channel I2C - STEMMA QT / Qwiic - Adafruit 5346 Botland - Robotic Shop
MCP23017 HAT - 32 Channel I/O Expansion HAT - PiShop.us
Raspberry Pi mit I2C Port Expander MCP23017 16 Relais
Novel Devices
How to use the MCP23017 Port Expander with the Raspberry Pi | The Pi Hut
Using the MCP23017 port expander with WiringPi2 to give you 16 new GPIO ports – part 3 – RasPi.TV
Raspberry Pi connected to MCP23017 expander chip
GitHub - rm-hull/mcp23017: Schematics and build info for assembling a Raspberry Pi breakout board with multiple MCP23017 input/output port expanders
How To Use A MCP23017 I2C Port Expander With The Raspberry Pi - Part 1 - Raspberry Pi Spy
I2C: MCP23008 & MCP23017 | Wiring Pi
Expand Raspberry Pi GPIOs with I2C Port Expander
