Waveshare MCP23017 IO Expansion Board, Expands 16 I/O Pins

HoMEdemic™ Verified independent store

→

OverviewThe 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.Features1. I2C controlled, expands 2 signal pins as 16 I/O pins2. I2C address configurable by shorting the A0/A1/A2 jumpers3. Provides two connector options: PH2.0 terminal and/or solder pads, allows multi I2C modules to be stacked4. Onboard voltage translator, compatible with 3.3V/5V level5. Comes with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32)Specifications1. Operating voltage: 5V/3.3V2. Interface: I2C3. Interrupt pins: INTA, INTB4. Expansion I/Os: 165. Dimension: 38mm × 23mm6. Mounting hole size: 2.0mm Show more