- Home Page /
- Electronics /
- Computer Accessories /
- Computer Components /
- Single Board Computers /
- 12PCS PCF8574 IO MCU Expansion Board I2C Inte...
0 ratings
Item #:
58858191
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8bit I/O Expander IIC Bus Evaluation Development Module
Item #:
58858191
€ 22
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, August 26
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The PCF8574 IO Expansion Board provides general-purpose remote I/O expansion via the two-wire bidirectional I2C-bus (serial clock (SCL), serial data (SDA)).
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step 1 Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
I2C Interface
Simplifies communication between microcontrollers and peripherals, providing easy integration into existing projects and reducing wiring complexity.
8-bit I/O Expansion
Expands input and output options for various projects, making it ideal for applications requiring multiple connections without overwhelming the microcontroller.
Development Module
Designed for easy prototyping, allowing developers to efficiently evaluate and implement solutions in their projects with minimal setup time.
Product Details
- Provides general-purpose remote I/O expansion via the I2C-bus
- Supports I2C bus cascade for using multiple I2C modules simultaneously
- Designed for 2.5-V to 6-V VCC operation
- Applicable to various platforms including AVR/ARM
- Supports two interface types access target board: Pin or row seat
- Useful for addressing I/O resource shortage in MCUs
| Connectivity Technology | I2C |
| Operating System | Linux |
| Processor Brand | Shutao |
| Wireless Compability | Infrared |
| Compatible Devices | Microcontrollers (AVR, ARM) supporting I2C communication |
| RAM Memory Technology | LPDDR |
| Processor Count | 1 |
| Brand | Shutao |
| Model Name | Shutao 13363-1 |
| Built-In Media | 12 x PCF8574 IO Expansion Boards |
| UPC | 701715510623 |
| Model Number | 13363-1 |
| Mfr Part Number | 13363-1 |
| Manufacturer | Shutao |
| Included Components | 12 x PCF8574 IO Expansion Boards |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Embedded Systems Developers
Ideal for developers integrating multiple I/O devices in embedded systems using I2C protocol for efficient communication.
-
DIY Electronics Hobbyists
Suitable for hobbyists creating custom electronics projects that require additional I/O port expansion in a compact format.
-
Teaching and Education
Great for educational environments where students learn about I2C communications and the functionality of I/O expanders.
-
High-Power Applications
Not ideal for applications requiring high current or voltage, as the module is designed for low-power I/O tasks.
Product Description
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8bit I/O Expander IIC Bus Evaluation Development Module
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the PCF8574 IO MCU Expansion Board?
Answer: The PCF8574 IO MCU Expansion Board is an 8-bit I/O expander that communicates with microcontrollers via the I2C interface. This board allows you to expand the number of input/output pins available for your projects, making it ideal for various applications such as robotics, IoT devices, and home automation systems. By using this module, developers can easily control multiple peripherals while efficiently managing GPIO pins. It enhances versatility in circuit designs, allowing simpler integration with devices like sensors, LEDs, and more. -
Question:
How do I connect the PCF8574 expansion board to my microcontroller?
Answer: To connect the PCF8574 board to your microcontroller, you need to use the I2C communication protocol. The board has dedicated pins for SDA (data line) and SCL (clock line) that can be connected to your microcontroller’s corresponding I2C pins. It’s also essential to ensure proper power supply connections. After connecting, you can use compatible libraries in your development environment, such as Arduino IDE, to easily communicate with the board. This setup is perfect for projects that require additional GPIO pin expansion without complicating wiring. -
Question:
What kind of projects can I build with this IO expander?
Answer: With the PCF8574 IO expander, you can build a variety of projects including LED display controllers, sensor arrays, and IoT interfaces. It’s particularly useful in projects that require controlling multiple outputs or reading many inputs without utilizing excessive GPIO pins on your microcontroller. For example, if you are creating a home automation system to manage lights, this board can easily interface with your relays and sensors, providing a streamlined approach to managing complex setups. -
Question:
What are the main features of the PCF8574 module?
Answer: The main features of the PCF8574 module include 8-bit I/O capabilities, I2C compatibility for easier communication with various microcontrollers, and the ability to connect multiple modules via the same I2C bus. This module operates at a voltage range suitable for most common microcontrollers. It also has built-in pull-up resistors for the I2C lines, ensuring robust communication. These features make the PCF8574 an excellent solution for developers looking to maximize functionality without increasing complexity. -
Question:
Can I use multiple PCF8574 boards in one project?
Answer: Yes, you can use multiple PCF8574 boards in one project by assigning different I2C addresses to each board. The I2C protocol supports up to 127 devices on the same bus. To accomplish this, you can connect up to eight PCF8574 modules in succession, with hardware configurations that allow the address to change. This is particularly beneficial for large-scale projects, such as sensor networks or smart home applications, where numerous inputs and outputs are required. -
Question:
What programming languages can I use with the PCF8574?
Answer: You can use various programming languages compatible with I2C protocols to interface with the PCF8574 module. Commonly, developers utilize C/C++ within environments like Arduino IDE, which has dedicated libraries for the PCF8574. Additionally, Python can be used for Raspberry Pi projects, allowing interaction with sensors and outputs. By employing these languages and libraries, developers can craft sophisticated applications that leverage the capabilities of the PCF8574 in versatile environments, from educational projects to complex automation systems. -
Question:
Is the PCF8574 compatible with all microcontrollers?
Answer: The PCF8574 module is compatible with most microcontrollers that support I2C communication, including popular ones like Arduino, Raspberry Pi, ESP8266, and others. It is essential to ensure that I2C is enabled and the correct pin connections are made. This compatibility makes the PCF8574 ideal for a wide range of projects across different platforms, allowing developers to choose the best microcontroller for their specific needs and preferences without worrying about connectivity issues. -
Question:
What is the operational voltage of the PCF8574 module?
Answer: The operational voltage of the PCF8574 module typically ranges from 2.5V to 6V, making it suitable for various microcontroller platforms. This range allows it to function effectively with 3.3V systems as well as 5V systems, providing flexibility in various project designs. Whether you are working on low-power devices or standard microcontroller projects, the PCF8574 will seamlessly integrate as long as the voltage specifications are met, enabling a wide range of application possibilities. -
Question:
Where can I buy the PCF8574 IO MCU Expansion Board in Aland Islands?
Answer: You can purchase the 12PCS PCF8574 IO MCU Expansion Board from Ubuy in Aland Islands. Ubuy offers a variety of electronic components and modules, making it a convenient choice for your tech needs. They usually provide detailed product descriptions and customer reviews to help you make informed decisions. With a user-friendly interface and reliable service, Ubuy is an excellent resource for sourcing this and similar development modules. -
Question:
What are the benefits of using an I2C interface like the one on this board?
Answer: Using an I2C interface provides several advantages, including reduced pin usage on your microcontroller since it allows multiple devices to share the same two wires for communication. This minimizes complexity in wiring and makes circuit designs cleaner. Additionally, I2C supports multiple speeds, making it adaptable to various project requirements. For instance, in a robotics surveillance setup, you could connect multiple sensors to one microcontroller without needing extra I/O pins, enhancing the efficiency of your design.
Shutao Single Board Computers 13363-1 Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Improves microcontroller I/O capabilities
- Supports I2C multi-device connection
- Compact design for tight spaces
- Easy integration with Arduino/Raspberry Pi
- Low power consumption during operation
Cons
- Limited to 8-bit I/O per chip
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
€ 22
Order now and get it around Wednesday, August 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Supports two interface types access target board: Pin or row seat
- Supports I2C bus cascade
- I/O expansion module, two I/O scalability 8 I/O
- Designed for 2.5V to 6V VCC operation
- Applicable to a variety of platforms including AVR / ARM
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.