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Learn how to use the Microchip MCP23017 port expander with Arduino. | Arduino, Microcontrollers, Tutorial
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NEW I2C to IO port module/MCP23017 serial interface 16-bit I/O port expander I2C IIC serial portt - AliExpress
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I2C To I/O Port Module /MCP23017 Serial Port 16-Bit I/O Port Expander I2C IIC Serial Port - AliExpress
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