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Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels

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

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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

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Item#: 9SIC53RKYJ9209