PCF8574 I/O For I2C Port Interface
- Communication: I2C
- Operating Voltage: 2.5-V to 6V.
- Open-Drain Interrupt Output
- Compatible With Most Microcontrollers
- 8-bit remote I/O pins
- Up to 64 I/O ports
- Low standby current
- Operating temperature: 40 degrees C to +85 degree C
- Supports Arduino cascading, and you can use at most 8 modules to extend 64 I/O at the same time.
- Â the address can be changed by a set a toggle switch.
- 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.
- PCB Size: 36 x 16mm