PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module I2C Interface 8-bit Module for AVR STM8 C8051F
genuine image
PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module I2C Interface 8-bit Module for AVR STM8 C8051F
Expand your MCU's I/O capabilities with our powerful 8-bit I2C I/O Expansion Module!
PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module I2C Interface 8-bit Module for AVR STM8 C8051F
Nº de artículo: 84763150

PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module I2C Interface 8-bit Module for AVR STM8 C8051F

Nº de artículo: 84763150

USD 15

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from Estados Unidos

En stock
Estados Unidos Importado de la tienda USA

QTY:

Haz tu pedido ahora y recíbelo por ahí Monday, Septiembre 28
Secured transactionsecured 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
  • fedex
  • dhl
Expand your MCU's I/O capabilities with our powerful 8-bit I2C I/O Expansion Module!
Garantía U-Care:
Ninguno
Selecciona un plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment

What Stands Out

I2C Interface
The PCF8574 offers a simple I2C interface for effortless communication with microcontrollers, enhancing flexibility and integration in various projects.
8-bit Expansion
This I/O expander allows the addition of eight digital input/output pins, perfect for projects requiring more connections without complex wiring.
Versatile Compatibility
Designed for AVR, STM8, and C8051F, this module ensures broad compatibility across platforms, making it ideal for diverse development needs.

Detalles de producto

Shop PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module I2C Interface 8-bit Module for AVR STM8 C8051F online at a best price in Puerto Rico. B0982CLSS8
Connectivity TechnologyI2C
Operating SystemLinux
Compatible DevicesMicrocontrollers (AVR, STM8, C8051F, etc.)
Processor Count1
BrandMidzoo
Model NamePCF8574
Built-In MediaPCF8574 IO Expansion Board
ManufacturerMidzoo
Mfr Part NumberMiMODULE-13181
Included ComponentsPCF8574 IO Expansion Board
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • Microcontroller Enthusiasts

    Perfect for hobbyists looking to expand I/O capabilities of AVR or STM8 microcontrollers with ease.

  • IoT Developers

    Ideal for Internet of Things projects requiring additional digital inputs or outputs for sensors and actuators.

  • Educational Use

    Great for teaching students about I2C communication and interfacing with peripheral devices in a hands-on environment.

Not Suitable For
  • High Performance Applications

    Not suitable for projects requiring high speed or large amounts of data due to I2C bus limitations.

DESCRIPCIÓN DEL PRODUCTO

PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module I2C Interface 8-bit Module for AVR STM8 C8051F

¿Tienes alguna consulta? Chatea con nosotros

Preguntas y respuestas de los clientes

  • Pregunta: What is the PCF8574 IO Expansion Board used for?

    Respuesta: The PCF8574 IO Expansion Board is utilized to expand the number of I/O pins available for microcontrollers like AVR, STM8, and C8051F. It connects via I2C, allowing multiple devices to share the same communication bus. This is particularly useful for projects requiring additional input or output pins, such as in automation, robotics, or IoT. By expanding the capabilities of your microcontroller, the PCF8574 can enable complex functionalities without needing multiple processors.
  • Pregunta: How does the PCF8574 work with I2C protocol?

    Respuesta: The PCF8574 operates on the I2C protocol by allowing communication between the microcontroller and the expander over a two-wire interface. This involves a master-slave setup, where the microcontroller is the master and the PCF8574 acts as a slave device. Each board has a unique address enabling several PCF8574 units to connect to one bus. This setup is ideal for compact designs in projects like home automation, where multiple sensors and devices need to communicate simultaneously.
  • Pregunta: What microcontrollers are compatible with the PCF8574?

    Respuesta: The PCF8574 is compatible with various microcontrollers, primarily AVR, STM8, and C8051F. These microcontrollers are widely used in hobbyist projects and professional applications due to their ease of use and versatility. For instance, if you are developing a smart home device with an AVR microcontroller, you can easily integrate the PCF8574 to increase the number of inputs and outputs, expanding its functionality seamlessly.
  • Pregunta: Can the PCF8574 be used in Arduino projects?

    Respuesta: Yes, the PCF8574 is highly suitable for Arduino projects. With its easy integration via the I2C library in Arduino, it allows you to control more devices with fewer pins on your Arduino board. This is especially beneficial for projects like LED control or sensor arrays, where pin limitations can hinder development. Several examples and libraries are available to help you get started with the PCF8574 in your Arduino projects.
  • Pregunta: What types of devices can I connect to the PCF8574?

    Respuesta: You can connect various devices to the PCF8574, including buttons, LEDs, relays, and sensors. The board allows for up to eight inputs or outputs, making it ideal for applications such as interactive displays, control systems, and environmental monitoring. For instance, in a smart agriculture project, you could use it to monitor soil moisture with sensors while controlling irrigation systems simultaneously.
  • Pregunta: How many PCF8574 modules can be connected to a single I2C bus?

    Respuesta: You can connect up to eight PCF8574 modules to a single I2C bus, as each module has a unique address. This flexibility allows you to expand your I/O capabilities significantly. For example, in a large-scale automation project, you might use multiple modules to control various appliances or sensors, giving you centralized control over an extensive system without needing additional communication lines.
  • Pregunta: What is the pin configuration of the PCF8574?

    Respuesta: The PCF8574 features an 8-bit configuration with 8 GPIO pins as well as I2C communication pins (SDA and SCL). The GPIO pins can be configured individually as inputs or outputs based on your requirements. This pin versatility allows users to customize setups for different applications, making it a popular choice in prototyping where rapid changes are necessary, such as testing new devices in a product development cycle.
  • Pregunta: What programming language can I use with the PCF8574?

    Respuesta: The PCF8574 can be programmed using languages compatible with I2C communication, such as C, C++, and Python. Most commonly, you will find libraries available for Arduino and Raspberry Pi that simplify usage and allow for quick implementation. This versatility makes it accessible for both beginners and experienced developers working on various platforms.
  • Pregunta: Is the PCF8574 suitable for low-power applications?

    Respuesta: Yes, the PCF8574 is well-suited for low-power applications. The I2C interface allows devices to operate in sleep modes, which conserves power. This quality makes it ideal for battery-operated devices or remote sensors where energy efficiency is crucial. For instance, it can be effectively used in smart environmental monitoring systems that require prolonged battery life.
  • Pregunta: Where can I buy the PCF8574 IO Expansion Board in Puerto Rico?

    Respuesta: You can purchase the PCF8574 IO Expansion Board through Ubuy, a reliable online shopping platform that offers a wide range of electronic components and tools. Ubuy provides convenient options to browse and select this module, ensuring a smooth shopping experience while accessing various shipping options tailored to your location in Puerto Rico.

Midzoo Single Board Computers Editorial Review

No se encontraron reseñas editoriales

Customer Reviews & Ratings

1 valoraciones de los clientes
  • 5 estrella
    100%
  • 4 estrella
    0%
  • 3 estrella
    0%
  • 2 estrella
    0%
  • 1 estrella
    0%

Revisar este producto

Comparte tus ideas con otros clientes

ventajas

  • Easy to use with I2C interface
  • Supports multiple devices
  • Compact design saves space
  • Reliable performance for projects
  • Compatible with many microcontrollers

Contras

  • Documentation could be clearer.

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
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
Pago seguro Global Delivery Easy Returns Genuine Products

Product Price History

Información importante

  • Limitaciones: Para los productos enviados al extranjero, ten en cuenta que cualquier garantía del fabricante puede no ser válida; las opciones de servicio del fabricante pueden no estar disponibles; los manuales del producto, las instrucciones y las advertencias de seguridad pueden no estar en los idiomas del país de destino; los productos (y los materiales que los acompañan) pueden no estar diseñados de acuerdo con las normas, especificaciones y requisitos de etiquetado del país de destino; y los productos pueden no ajustarse al voltaje del país de destino y a otras normas eléctricas (lo que requiere el uso de un adaptador o convertidor, si procede). El destinatario es responsable de asegurarse de que el producto puede ser importado legalmente al país de destino. Cuando hagas un pedido a Ubuy o a sus filiales, el destinatario es el importador registrado y debe cumplir todas las leyes y normativas del país de destino.
  • No todos los productos que aparecen en Ubuy están a la venta, ya que Ubuy es un motor de búsqueda a nivel mundial. Los productos están sujetos a las normas de exportación/comercio.

USD 15

Haz tu pedido ahora y recíbelo por ahí Monday, Septiembre 28

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

características y beneficios

  • Supports I2C interface for efficient connection.
  • Two interface types for versatile target board access.
  • Scalable up to 64 I/O using PCF8574 technology.
  • Ideal for applications facing I/O resource shortages.
  • Enable simultaneous use of multiple I2C modules.
  • Compatible with various MCU platforms like AVR and STM8.

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.