PCF8574 IO bővítőkártya I/O bővítő I2C-busz kiértékelő fejlesztő modul

PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
Features: 
I2C interface based on the I / O expansion module, the use of two I / O can be extended 8 I / O (up to 8 PCF8574 can be used to expand to 64 I / O)
The most important features:
1. Support two types of interface access target board: pin or row seat
2. Support I2C bus cascade (through pin, row docking method, you can use multiple I2C modules)
Typical application:
 I / O resource expansion of the MCU I / O expansion
Main resources: 
PCF8574, I2C interface, 8-bit parallel port
 
Shipping list:
1 Pcs PCF8574 Module