---
product_id: 584417822
title: "Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs)"
brand: "teyleten robot"
price: "€ 22.90"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/584417822-teyleten-robot-pcf8574t-pcf8574-io-expansion-board-module-i2c-io
store_origin: ES
region: Spain
---

# 8 I/O Ports I2C Interface Cascading Support Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs)

**Brand:** teyleten robot
**Price:** € 22.90
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your I/O Game!

## Quick Answers

- **What is this?** Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs) by teyleten robot
- **How much does it cost?** € 22.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/584417822-teyleten-robot-pcf8574t-pcf8574-io-expansion-board-module-i2c-io)

## Best For

- teyleten robot enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** Space-saving solution for your I/O expansion needs.
- • **Dual Access Modes:** Choose between header or seat interface for ultimate flexibility.
- • **Expand Your Horizons:** Unlock up to 64 I/O connections with seamless scalability.
- • **Perfect for Projects:** Ideal for hobbyists and professionals alike, enhancing your MCU capabilities.
- • **Effortless Integration:** Easily cascade multiple modules for enhanced functionality.

## Overview

The Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module is a versatile I2C I/O expander that allows for significant scalability, supporting up to 64 input/output connections. With dual access modes and cascading capabilities, this compact module is perfect for both professional and DIY projects, ensuring you never run out of I/O resources.

## Description

Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs)

## Features

- based on I2C interface of the I/O expansion module, 2 I/O scalable 8 I/O (can be used at the same time up to 8 PCF8574, expanded to 64 input/output (I/O)
- Supports two interface type to access the target board: header or seat;Support I2C bus cascade (through the header, seat docking simulation,, at the same time using a plurality of I2C module)
- the I/O resources in short supply and the MCU I/O expansion
- PCF8574,I2C interface 8-bit parallel interface

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Wireless Type | Infrared |
| Brand | Teyleten Robot |
| Item Weight | 0.634 ounces |
| Package Dimensions | 4.69 x 2.99 x 0.47 inches |
| Manufacturer | Teyleten Robot |
| ASIN | B098B5CGYJ |
| Country of Origin | China |
| Date First Available | July 5, 2021 |

## Product Details

- **Brand:** Teyleten Robot
- **Connectivity technology:** I2C
- **Operating system:** Linux
- **Wireless communication standard:** Infrared
- **Global Trade Identification Number:** 09339218684193

## Images

![Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs) - Image 1](https://m.media-amazon.com/images/I/81jDykyPDQL.jpg)
![Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs) - Image 2](https://m.media-amazon.com/images/I/611amDcn7VS.jpg)
![Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs) - Image 3](https://m.media-amazon.com/images/I/716HEbEAUVS.jpg)
![Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs) - Image 4](https://m.media-amazon.com/images/I/71AFPdwu6mS.jpg)
![Teyleten Robot PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5pcs) - Image 5](https://m.media-amazon.com/images/I/71AFPdwu6mS.jpg)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-27*