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I/O Expander ICs

Welcome to the range of I/O Expander ICs from PMD Way. 

I/O (Input Output) expanders allow you to add more digital inputs and/or outputs to your development board or microcontroller. PMD Way has a range of I/O expander ICs in both through-hole and SMD form - including MCP23017, MCP23008, SX1509 and more. 

We also offer I/O Expander breakout boards - click here to learn more.

And as always - if you need any help, or a bulk deal - please email support@pmdway.com