PCF8574 - GPIO expander I2C 8-bit

Bestseller
47398913
24 GEL
  • Brand OEM
  • Shipping from Poland
  • Post delivery June 9
  • Shipping cost for orders to Georgia from GEL 176

Properties

Other features

Brand
OEM

Description

Specification
  • Power supply: from 2.5 V to 6 V
  • Communication: I2C
  • Allows you to connect up to 8 devices on the I2C bus
  • Case: DIP-16

 

Details inthe documentation.

 

Description

The system allows to increase the number of devices connected to the I2C bus with 8 pieces. The system has 16 pins.

 

Note

System has a different address bus, depending on version:

  • PCF857 0 | 1 | 0 | 0 | A2 | A1 | A0
  • PCF8574A 0 | 1 | 1 | 1 | A2 | A1 | A0

Details inthe documentation

 

  • PCF8574P 0 | 1 | 0 | 0 | A2 | A1 | A0

Details inthe documentation

 

GPIOs A2 | A1 | A0 can't stay unconnected.

 

 

Episode 10 of the Arduino course on connecting thePCF8574 expander.

 

Useful links
  • DocumentationPCF8574P