PCF8574 PCF8574T I/O For I2C IIC Port Interface Cascading Extended Module Expansion Board High Low Level

Functions: ? - This is the I/O extended module, which use for I2C interface, you can use two of the module to extend 8 I/O. - cascading, and you can use at most 8 modules to extend 64 I/O at the same time. - It can be changed the address by set toggle switch - 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:? 1 x? PCF8574T I/O Fr I2C Port Interface Cascading Extended Module for Arduino











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