I2c Interface Support Arduino Cascading Extended Module PCF8574T I/O BSG
3,88 €
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.
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