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![Amazon.com: Adafruit MCP23017 - i2c 16 Input/Output Port Expander [ADA732]](https://m.media-amazon.com/images/I/41NRkMu71uL.jpg "Amazon.com: Adafruit MCP23017 - i2c 16 Input/Output Port Expander [ADA732]")
Amazon.com: Adafruit MCP23017 - i2c 16 Input/Output Port Expander [ADA732]
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