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![Port Expander MCP23017 - [Teil 1] – AZ-Delivery](http://cdn.shopify.com/s/files/1/1509/1638/articles/PE1_1024x.jpg?v=1594818859 "Port Expander MCP23017 - [Teil 1] – AZ-Delivery")
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Input Expander Module
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I<sup>2</sup>C-IO-Expander
