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PCF8574T I/O Fr I2C Port Interface Support Cascading Extended Module For Arduino

Module function:

This is the I/O extended module, which use for I2C interface, you can use two of the module to extend 8 I/O.

Support cascading, and you can use at most 8 modules to extend 64 I/O at the same time.

Can be changed the address by set toggle switch

PCB Size: 36 x 16mm/1.41*0.62"

Every 2 seconds, make P0-P7 port output High level, Low level, and put 3 toggle switches to ON, the address of module is 0x27

Package Included:

1pcs PCF8574T I/O Fr I2C Port Interface Support Cascading Extended Module For Arduino

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