![Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4132-09.jpg "Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4132-07.jpg "Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
PCF8574 PCF8574T I2C 8 Bit IO GPIO expander module for Arduino & Raspberry Pi | eBay
![Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4132-11.jpg "Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Adafruit GPIO Expander Bonnet - 16 Additional I/O over I2C [STEMMA QT / Qwiic] : ID 4132 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
PCF8574T PCF8574 I2C 8 Bit IO GPIO expander module for Arduino & Raspberry Pi | eBay
Adafruit MCP23017 I2C GPIO Expander Breakout (STEMMA QT / Qwiic) | The Pi Hut
Overview | Adafruit GPIO Expander Bonnet for Raspberry Pi | Adafruit Learning System
MCP23017 GPIO Expander for Raspberry Pi - SWITCH-SCIENCE
32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
DIN Rail Mount MCP23017 32-Channel GPIO Expander with I2C Interface for Arduino Raspberry Pi, 3.3V/5V Power - AliExpress
32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
PCF8574 PCF8574T I2C 8 Bit IO GPIO Expander Module for Raspberry Pi Arduino | eBay
Amazon.com: ALMOCN 10pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module for Arduino Raspberry Pi : Electronics
MCP23017 16 bit I/O Expansion Board I2C Interface for Raspberry Pi
40 GPIO I2C expander with the PCA9698 – Nadim Conti
MCP230xx GPIO Expander on the Raspberry Pi | Adafruit Learning System
Raspberry Pi and GPIO Expansion Using the MCP23S08 – Widgetlords Electronics
![Adafruit MCP23017 I2C GPIO Expander Breakout [STEMMA QT / Qwiic] : ID 5346 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits](http://www.adafruit.com/images/480x360/5346-05.jpg "Adafruit MCP23017 I2C GPIO Expander Breakout [STEMMA QT / Qwiic] : ID 5346 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Adafruit MCP23017 I2C GPIO Expander Breakout [STEMMA QT / Qwiic] : ID 5346 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Raspberry Pi HAT - 32 I/O Port Expander RPI-32IO-PE - MCP23017 - I2C
Amazon.com: Waveshare Evaluation Kit (Type B) Compatible with Raspberry Pi Pico Includes Pico + Color LCD + IMU Sensor + GPIO Expander Comes with Demo Code for GPIO, PWM, I2C, SPI (8 Items) : Electronics
GPIO Expander Bonnet for Raspberry Pi - Adafruit | Mouser
Din Rail Mount Mcp23017 32-channel Gpio Expander With I2c Interface For Arduino Raspberry Pi, 3.3v/5v Power - Demo Board Accessories - AliExpress
Amazon.com: XICOOLEE Serial Expansion Module I2C Interface for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B,Adopts SC16IS752 Chip 8-bit I/O Expander 2-Channel UART 8 GPIOs Expansion,Slide Switch : Electronics
