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MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels (Pack of 2)

Item #: 9SIVSDPM939011
Mfr. Part #: C10V-GS-TY-1020-3213

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The information below is per-pack only; I2C controlled, expands 2 signal pins as 16 I/O pins; I2C address configurable by shorting the A0/A1/A2 jumpers; Provides two connector options: PH2.0 terminal and/or solder pads, allows multi I2C modules to be stacked; Onboard voltage translator, compatible with 3.3V/5V level

Overview

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Reviews

The information below is per-pack only; I2C controlled, expands 2 signal pins as 16 I/O pins; I2C address configurable by shorting the A0/A1/A2 jumpers;
Provides two connector options: PH 2.0 terminal and/or solder pads, allows multi I2C modules to be stacked; Onboard voltage translator, compatible with 3.3V /5V level

Additional Information
First Listed on Newegg	October 20, 2026

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Item#: 9SIVSDPM939011