Adding I/O With Mcp23017 - Collins Lab Notes

Adding I/O with MCP23017 - Collin’s Lab Notes #adafruit #collinslabnotes

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I2C Addresses - Collin’s Lab Notes #adafruit #collinslabnotes

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Arduino Best expander Input/Output | GPIO Expansion module | MCP23017, MCP23S17

MCP23017 Port Expander and ESPHome: Add More I/O Pins to Your Project

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I2C Long Distance - Collin’s Lab Notes #adafruit #collinslabnotes

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JP’s Product Pick of the Week 2/22/22 MCP23017 16 IO Expander @adafruit @johnedgarpark #adafruit

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The Great Search - I2C IO Expander (Since we can't get MCP230xx) @Adafruit @DigiKey

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Code Commentary - Collin’s Lab Notes #adafruit #collinslabnotes

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Stacking Headers - Collin’s Lab Notes #adafruit #collinslabnotes

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Perfboard Edge Connectors - Collin’s Lab Notes #adafruit #collinslabnotes

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Key Ghosting - Collin’s Lab Notes #adafruit #collinslabnotes

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Perfboard Easy Resizing - Collin’s Lab Notes #adafruit #collinslabnotes

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Pin Numbering - Collin’s Lab Notes #adafruit #collinslabnotes

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Why Your Solenoid Needs a Diode - Collin’s Lab Notes #adafruit #collinslabnotes

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How to connect the MCP23017 GPIO Expander to an Arduino and Raspberry Pi

Arduino: How can I connect multiple MCP23017's to an arduino?

Roel Van de Paar