Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. MINI BOARDS PCF8574 Mini Board The PCF8574 Mini Board is a quick and easy solution to extending and adding output ports to your control system. The board connects to a standard I2C bus and adds an additional 8 output ports to your system. A total of 8 of these boards can be added to a single I2C bus with each board having a unique address. The PCF8574 Mini Board includes the Philips Semiconductor PCF8574 IC together with selectable pull-up resistors for the I2C Bus. The output connections use a standard IDCC connector, and can be easily connected to external equipment. A set of 3 jumpers are included on the board for address selection. The PCF8574 Mini Board is a great way of extending the number of output points available for your control system. Features • Includes the Philips Semiconductor PCF8574 IC • Connects directly to a standard I2C Bus • Selectable Address enabling a total of 8 Boards to be connected to a single I2C Bus • Selectable Pull-Up Resistors Included • Standard IDCC Connector for Output Termination • Works with Most Microcontrollers and I2C Bus Systems • Board Dimensions: 45 x 55 mm Technical Data • PCF8574 Datasheet   Available now for only USD $7.90