IIC/I2C PCF8574 Serial Interface Adapter Module

The IIC/I2C PCF8574 Serial Interface Adapter Module is a highly useful and versatile module designed to expand the I/O capabilities of microcontrollers via the I2C bus. This module allows you to control up to 8 additional digital input/output pins using just two I2C lines (SDA and SCL), making it perfect for projects where you need to increase the number of I/O pins without using additional microcontroller pins. Ideal for use with Arduino, Raspberry Pi, and other microcontroller platforms, this module simplifies the connection and control of multiple devices in your project.

Key Features

• I2C Interface: Uses the I2C protocol, requiring only two lines (SDA and SCL) to communicate with the microcontroller, reducing the number of required pins.
• 8-Bit I/O Expansion: Provides 8 additional digital I/O pins that can be individually configured as inputs or outputs.
• Address Configurable: Supports up to 8 PCF8574 modules on the same I2C bus, allowing for easy expansion by configuring the module address using the onboard jumpers.
• Low Power Consumption: Designed for low power consumption, making it suitable for battery-powered applications.
• Wide Operating Voltage: Operates at 2.5V to 6V, compatible with both 3.3V and 5V logic levels.
• Compact Design: Small and lightweight, easy to integrate into various electronic projects.
• Simple Integration: Ideal for adding more I/O pins to microcontrollers with limited I/O, such as Arduino and Raspberry Pi.

Specifications

• Chip: PCF8574
• I2C Address: Configurable from 0x20 to 0x27 using onboard jumpers
• Number of I/O Pins: 8 digital I/O pins
• Operating Voltage: 2.5V to 6V
• I2C Bus Speed: Standard mode (up to 100 kHz) and Fast mode (up to 400 kHz)
• Current Consumption: Low current consumption, typically in the range of microamps when in standby mode
• Dimensions: Compact, typically around 26mm x 19mm
• Connector Type: 2.54mm pitch pin headers for easy breadboard and PCB integration

Applications

• I/O Expansion: Perfect for expanding the number of I/O pins available on microcontrollers with limited pins.
• Home Automation: Ideal for controlling multiple devices such as relays, sensors, and LEDs in smart home projects.
• Embedded Systems: Useful in embedded systems where additional inputs/outputs are required without increasing the microcontroller size.
• DIY Electronics: Great for hobbyists and makers looking to add more control to their Arduino or Raspberry Pi projects.
• Industrial Control: Suitable for industrial applications where multiple digital inputs and outputs need to be controlled or monitored.

Benefits

• Increases I/O Capacity: Adds 8 more I/O pins to your microcontroller, allowing you to connect more sensors, buttons, LEDs, or other devices.
• Reduces Pin Usage: Uses only two I2C pins on the microcontroller, freeing up more pins for other purposes.
• Easy to Use: Simple integration with microcontroller platforms, with plenty of libraries and examples available for Arduino and other platforms.
• Scalable: Easily expand your system by adding more PCF8574 modules to the I2C bus.
• Compact and Efficient: Small footprint and low power consumption make it ideal for space-constrained and power-sensitive applications.

Why Choose the IIC/I2C PCF8574 Serial Interface Adapter Module?

The IIC/I2C PCF8574 Serial Interface Adapter Module is a must-have for anyone looking to expand the I/O capabilities of their microcontroller projects. Whether you’re working on a simple DIY project or a complex industrial control system, this module provides the flexibility and scalability you need. Its ease of integration, low power consumption, and wide compatibility with popular microcontrollers make it an essential tool for both beginners and experienced developers.

Order your IIC/I2C PCF8574 Serial Interface Adapter Module today and effortlessly expand the capabilities of your electronic projects!