Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Compatible with Both 3.3V and 5V Levels
All electronics ship with US style plugs.
You may need a voltage converter or a plug adapter.
Special Features
- 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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