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flashtree 5pcs MCP23017 Bidirectional 16-Bit I/O Expander with I2C IIC Serial Interface Module
Brand: AITRIPFeatures: MCP23017 Serial Interface Module IIC I2C SPI MCP23S17 Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module ...
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$21.99