xcluma PCF8574 PCF8574T Module PCF8574 Module IO Expansion Module I/O Expansion Module I2C Electronic Components Electronic Hobby Kit

• I2C interface-based I / O expansion modules, the use of two I / O can be extended eight I / O (up to 8 simultaneous use PCF8574, expanded to 64 I / O) • 1 supports two types of access interfaces target board: Pin or strip (2) support the I2C bus cascade (via pin, row seat docking methods can be used simultaneously multiple I2C modules)