PCF8574T I2C I/O Extension Board


In stock

SKU: 835825
  1. Interface: I2C
  2. Operating Voltage: 3-5VDC
  3. Ports: 8-bit Parallel Ports
  4. Can be used with Arduino and Raspberry Pi

 239.00  269.00

(inc GST)

₹ 202.54 (+18% GST extra)

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In stock

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Category: Interfacing Cables, Interface Module

The PCF8574 IO Expansion Board is used as remote 8-bit I/O expander for I2C-bus. Up to 8 PCF8574, IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports.

The PCF8574 IO Expansion Board features I2C pinheader on one side, and I2C connector on the opposite side. Hence, it’s more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of multi module connected to the I2C bus at the same time by connecting the pinheader and connector.


  1. Based on PCF8574 Chip
  2. I2C Interface
  3. 8-bit parallel port
  4. Can be used with Arduino as well as Raspberry Pi.

Package Includes:

1 x PCF8574T I2C I/O Extension Board

Operating Voltage (VDC)

3 ~ 5




8-bit parallel port

Length (mm)


Width (mm)


Height (mm)


Weight (gm)


Shipment Weight

0.01 kg

Shipment Dimensions

6 × 10 × 2 cm

15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.



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Country Of Origin: China