---
product_id: 148742752
title: "SYEX 5pcs/lot PCF8574 Module IO Extension Module"
brand: "syex"
price: "$219.02"
currency: USD
in_stock: true
category: "Electronics"
url: https://www.desertcart.ec/products/148742752-syex-5pcs-lot-pcf8574-module-io-extension-module
store_origin: EC
region: Ecuador
---

# SYEX 5pcs/lot PCF8574 Module IO Extension Module

**Brand:** syex
**Price:** $219.02
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** SYEX 5pcs/lot PCF8574 Module IO Extension Module by syex
- **How much does it cost?** $219.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/148742752-syex-5pcs-lot-pcf8574-module-io-extension-module)

## Best For

- syex enthusiasts

## Why This Product

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

## Description

Type : Voltage RegulatorBrand Name : ReYeBuis_customized : YesModel Number : IO Extension ModuleCondition : NewPCF8574 Module IO Extension ModuleDescription:Function introduction:Based on I2C interface I/O extension module,,use 2 I/O can be extended to 8 I/O (maximum can be used at the same time 8 PCF8574, expanding to 64 I/O)The biggest features: 1 support two kinds of interface types of access the target board: row or rows of seats2 support I2C bus cascading (by row, row seat docking method, which can simultaneously use multiple I2C modules)Typical application:the shortage I/O resources MCU to I/O extensionThe main resources: PCF8574, I2C interface, and 8 bit parallel Package Included:5 * IO Extension Module

## Features

- SYEX 5pcs/lot PCF8574 Module IO Extension Module
- Aliexpress.com
- Online shopping
- Automotive
- Phones & Accessories

## Images

![SYEX 5pcs/lot PCF8574 Module IO Extension Module - Image 1](https://images-na.ssl-images-amazon.com/images/I/41PdvT-WE9L.jpg)
![SYEX 5pcs/lot PCF8574 Module IO Extension Module - Image 2](https://images-na.ssl-images-amazon.com/images/I/51NeKprJqbL.jpg)
![SYEX 5pcs/lot PCF8574 Module IO Extension Module - Image 3](https://images-na.ssl-images-amazon.com/images/I/41XL7ffpQgL.jpg)
![SYEX 5pcs/lot PCF8574 Module IO Extension Module - Image 4](https://images-na.ssl-images-amazon.com/images/I/41XL7ffpQgL.jpg)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-03*