MCP23017 MCP23017-E/SP DIP-28 16-Bit I/O Expander with I2C Interface IC. 1/5/10 x MCP23017 MCP23017-E/SP DIP-28 16-Bit I/O Expander with I2C Interface IC. Lithium Battery. Lithium battery PCB board. Raspberry / Orange Pi & Access.
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