PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module #A

1PCS PCF8574T I/O I2C Port For Cascading Extended Module #A6-43

PCF8574T I/O Fr I2C Port Support Cascading Extended Module For #A6-43

40Pin Adapter Board T Type GPIO Extension Board For Model B+ #A6-43

PCF8574T I/O Fr I2C Port Support Cascading Extended Module For #E3

5PCS PCF8574T Remote 8-bit I/O expander for I2C-bus SOP16 #E9*

PCF8575 IIC I2C I/O Extension Module 16 bit SMBus I/O ports For #A6-22