![MCP23017 module - GPIO pin expander - 16-channel I2C - STEMMA QT / Qwiic - Adafruit 5346 Botland - Robotic Shop MCP23017 module - GPIO pin expander - 16-channel I2C - STEMMA QT / Qwiic - Adafruit 5346 Botland - Robotic Shop](https://cdn3.botland.store/img/art/inne/21037_5.jpg)
MCP23017 module - GPIO pin expander - 16-channel I2C - STEMMA QT / Qwiic - Adafruit 5346 Botland - Robotic Shop
![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 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](https://m.media-amazon.com/images/I/71fSUyA76TL._AC_UF894,1000_QL80_.jpg)
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
![Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff](https://arduinodiy.files.wordpress.com/2017/03/mcp230172.jpg?w=640)
Adding an MCP23017 16 port IO expander to Arduino or Esp8266 or Attiny85 or…….. – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
![Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi using C++ (SYSFS) – Dangerous Prototypes Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi using C++ (SYSFS) – Dangerous Prototypes](http://dangerousprototypes.com/wp-content/media/2013/04/mcp23017test_bb-600x458.png)