MCP23017 Serial Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins Serial Module CJMCU-2317
![MCP23017 Serial Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins Serial Module CJMCU-2317](http://ae04.alicdn.com/kf/H5047ecc1b97941afa2dcccd9e3afa9f7G.jpg)
sku: 1005002226338380
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$2.92
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