TECNOIOT 5pcs PCF8574 PCF8574T I/O for I2C IIC Port Interface Cascading Extended Module

الوصف

x5pcs PCF8574 PCF8574T I/O for I2C IIC Port Interface Support Cascading Extended ModuleFeatures: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 switchPCB 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 0x27Packet Contains:5pcs x PCF8574 PCF8574T I/O for I2C Extended Module