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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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Product description Overview 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. 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: PH 2.0 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)

Specifications

Operating voltage: 5V/ 3.3V
Interface: I2C
Interrupt pins: INTA, INTB
Expansion I/Os: 16
Dimension: 38mm × 23mm
Mounting hole size: 2.0 mm See More

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