---
product_id: 124369135
title: "DaoRier PCF8574T IO Expansion Board 8-bit I/O Expander I2C-Bus Evaluation Development Module"
brand: "daorier"
price: "540858₫"
currency: VND
in_stock: true
category: "Diy"
url: https://www.desertcart.vn/products/124369135-daorier-pcf8574t-io-expansion-board-8-bit-i-o-expander
store_origin: VN
region: Vietnam
---

# DaoRier PCF8574T IO Expansion Board 8-bit I/O Expander I2C-Bus Evaluation Development Module

**Brand:** daorier
**Price:** 540858₫
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** DaoRier PCF8574T IO Expansion Board 8-bit I/O Expander I2C-Bus Evaluation Development Module by daorier
- **How much does it cost?** 540858₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/124369135-daorier-pcf8574t-io-expansion-board-8-bit-i-o-expander)

## Best For

- daorier enthusiasts

## Why This Product

- Trusted daorier brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Description: This is the I/O extended module, which use for I2C interface, you can use two of the module to extend 8 I/O. Specifications: Support cascading, and you can use at most 8 modules to extend 64 I/O at the same time. Can be changed the address by set toggle switch. Every 2 seconds, make P0-P7 port output High level, Low level, and put 3 toggle switches to ON, the address of module is 0x27. Product size: approx. 38*17*6mm/1.49*0.66*0.23(inch) Net weight: approx. 6g Quantity: 1pcs Warranty: Every DaoRier product comes with a 45-day money back & 12-month worry-free warranty. Buy with confidence! Package included: 1pcs PCF8574T Module

## Features

- The PCF8574T 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
- PCF8574T, I2C interface, 8-bit parallel port
- Every 2 seconds, make P0-P7 port output High level, Low level, and put 3 toggle switches to ON, the address of module is 0x27
- ›See more product details

## Images

![DaoRier PCF8574T IO Expansion Board 8-bit I/O Expander I2C-Bus Evaluation Development Module - Image 1](https://images-na.ssl-images-amazon.com/images/I/51kUrEIt8eL.jpg)
![DaoRier PCF8574T IO Expansion Board 8-bit I/O Expander I2C-Bus Evaluation Development Module - Image 2](https://images-na.ssl-images-amazon.com/images/I/51bTAe6rNTL.jpg)
![DaoRier PCF8574T IO Expansion Board 8-bit I/O Expander I2C-Bus Evaluation Development Module - Image 3](https://images-na.ssl-images-amazon.com/images/I/41FqUbRvUIL.jpg)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-10*