ALLNET Brick’R’knowledge I2C PIO 8574AT

ALLNET Brick’R’knowledge I2C PIO 8574AT
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The Arduino has a special Bus, called I2C with that you can connect several bricks. The 8574 is... more
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The Arduino has a special Bus, called I2C with that you can connect several bricks. The 8574 is a brick with that you can recieve additional 8 in and outpus and therefore extend the IO-ports easily. The I2C uses adresses for the bricks that you can change mechanically to use mamximum 8 of those bricks. Here is the 8574AT type used.

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