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Smart Electronics Expansion IO Port Expansion Board PCF8575 Module Expansion Board I2C Communication Control 16 IO Ports

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Smart Electronics Expansion IO Port Expansion Board PCF8575 Module Expansion Board I2C Communication Control 16 IO Ports

Expansion IO Port Expansion Board PCF8575 Module Expansion Board I2C Communication Control 16 IO Ports
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Smart Electronics Expansion IO Port Expansion Board PCF8575 Module Expansion Board

I2C Communication Control 16 IO Ports

Product Description

If you don't have enough IO ports, then you can use PCF8575 expansion board to expand more IO ports. Only two wires,

SDA and SCL are needed to realize the input and output control of 16 IO ports, which is very easy to use.I2C signals can

be simulated by software, and some microcontrollers with their own I2C interfaces can be operated directly.

By setting A0\\\A1\\\A2 to set different I2C device addresses, up to 8 pieces of devices are allowed to be accessed,

thus realizing the expansion of 128 IO ports.

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