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How to connect the MCP23017 GPIO Expander to an Arduino and Raspberry Pi - YouTube
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Python & CircuitPython | Using MCP23008 & MCP23017 with CircuitPython | Adafruit Learning System
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How To Use A MCP23017 I2C Port Expander With The Raspberry Pi - Part 1 - Raspberry Pi Spy
A Great I/O expansion Shield for RaspberryPi based on I2C - Open Electronics - Open Electronics
How To Use A MCP23017 I2C Port Expander With The Raspberry Pi - Part 1 - Raspberry Pi Spy
Buy IO Pi Plus MCP23017 - expander for Raspberry Botland - Robotic Shop
Raspberry Pi I2C 4×4 matrix keypad with MCP23017 and Python | Mikronauts.com
IO Pi Plus - 32 Channel Port Expander for the Raspberry Pi
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