ITEM NAME:Arduino PCF8574T I2C 8 Bit IO GPIO expander module & Raspberry ty Arduino PCF8574T I2C 8 Bit IO GPIO expander module & Raspberry ty a.imagelink a:hover.imagelink {color:#6c5635;.PCF8574T(Red). This is the I/O extended module, which use for I2C interface, you can use two of the module to extend 8 I/O. PCB Size: 36 x 16mm/1.41 0.62".
