MCP23017 IO Expansion Board, I2C Interface, Expands 16 I/O Pins

The MCP23017 IO Expansion Board expands 2 signal pins as 16 I/O pins based on the I2C bus, up to 8 MCP23017 IO Expansion Board can be used at the same time, providing up to 128 I/O pins, it is 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
• → Comes with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32)
• → Operating voltage: 5V/3.3V
• → Interface: I2C
• → Interrupt pins: INTA, INTB
• → Expansion I/Os: 16
• → Dimension: 38mm × 23mm
• → Mounting hole size: 2.0mm

→ Example Codes, User manual and other resources

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