32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
Description 32 Digital Inputs/Outputs Control via the Raspberry Pi I2C port Stack up to 4 IO Pi boards on a single Raspberry Pi Solder jumper selectable I2C addresses External 5V Input with isolation solder jumper Based on the MCP23017 from Microchip Technologies Inc The 32 Channel Digital Expansion HAT for Raspberry
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