HiLetgo 2pcs PCF8575 IO Expansion Board I2C IIC 16 IO Ports I/O Extension Shield 16 Bits SMBus I/O Ports
HiLetgo 2pcs PCF8575 IO Expansion Board I2C IIC 16 IO Ports I/O Extension Shield 16 Bits SMBus I/O Ports
Descriptions: Have you run out of I/O pins? This great module allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575 is controlled through an I2C interface and features 16-bits of quasi- bidirectional input/output pins. On board 3.3V level converter circuit, if you donot solder VCC-VDD pad, the PCF8575 level is 3.3V. If you solder it, the level will be the same with VCC. Features: Main chip: PCF8575 Working voltage: 2.5 - 5.5V DC Working current: 100mA(MAX) I2C address: 0x20(default),can be modified by soldering A1 and A2 selection pads. 16 individually addressable pins. Each pin configurable for input or output. Open-drain interrupt output pin for input change interrupt. Great for UNO R3 and other MCU to control simple relay, buzzer, button, LED etc. Package included: 2 x PCF8575 IO Expansion Boards
Product Features
- PCF8575 IO Expansion Board I/O Extension Shield I2C IIC
- 16 IO Ports, with16 individually pins
- Open-drain interrupt output pin for input change interrupt.
- Great for UNO R3 and other MCU to control simple relay, buzzer, button, LED etc
Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).
This product also comes with the benefits of the CocoonPower Warranty. For further details please read our Warranty Guidelines.
You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.