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MCP23008 MCP23017 24-Channel Digital Input/Output with I2C Interface - NCD Store
Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi using C++ (SYSFS) « Adafruit Industries – Makers, hackers, artists, designers and engineers!
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Raspberry Pi HAT - 32 I/O Port Expander RPI-32IO-PE - MCP23017 - I2C
![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/970x728/4132-10.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
GPIO Expander For RPi Pico, 1x Raspberry Pi Standard 40-Pin, 1x Pico 2x20-Pin - RobotShop
40 GPIO I2C expander with the PCA9698 – Nadim Conti
GPIO Expander Bonnet for Raspberry Pi - Adafruit | Mouser
32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
IO Zero 32 GPIO Port Expander for the Raspberry Pi
MCP23017 GPIO Expander for Raspberry Pi - SWITCH-SCIENCE
Adafruit MCP23017 I2C GPIO Expander Breakout (STEMMA QT / Qwiic) | The Pi Hut
How To Use A MCP23017 I2C Port Expander With The Raspberry Pi - Part 1 - Raspberry Pi Spy
Raspberry Pi and GPIO Expansion Using the MCP23S08 – Widgetlords Electronics
Adafruit MCP23017 I2C GPIO Expander Breakout (STEMMA QT / Qwiic) | The Pi Hut
