Description

PCF8574 I2C Interface 8-bit IO MCU Expansion Board

Enhance Your Project Capabilities: Step up your microcontroller projects with the PCF8574 I2C Interface 8-bit IO MCU Expansion Board. Perfect for Arduino, AVR, and C8051F platforms, this development module is designed to expand your projects with additional IO capabilities using minimal pins from your main controller.

Product Features:

• Flexible IO Expansion: Provides 8-bit bidirectional IO ports (P0-P7) that can be individually configured as input or output. Simplifies connection and maximizes functionality without needing additional data direction control.
• Multiple Device Addressing: Comes with three address pins allowing up to 8 simultaneous addresses, making it ideal for complex projects requiring multiple modules.
• Dual Voltage Compatibility: Compatible with both 3.3V and 5V supply voltages, facilitating seamless integration with various system architectures.
• Easy Communication: Utilizes the I2C interface-an industry standard-that ensures reliable data transfer with excellent interference resistance.
• Interrupt Feature: Includes an interrupt output that can be connected to your microcontroller’s interrupt pin to capture immediate changes in IO states.
• Simple Configuration: Adjustable I2C addresses from 0x20 to 0x27 through simple jumper settings on the A0 to A2 pins, enabling easy management of multiple connected modules.

Technical Specifications:

• Communication Interface: I2C, 8-bit parallel port
• Supply Voltage: 3.3V / 5V
• Interface Type: Pin or socket for easy implementation

Address Configuration:

Default I2C Address: 0x20

Address Range: 0x20 to 0x27

Set addresses using A0-A2 pins:

Package Includes:

• 1 x PCF8574 I2C Interface 8-bit IO MCU Expansion Board

Get your PCF8574 I2C Interface 8-bit IO MCU Expansion Board today and take your microcontroller projects to the next level! Ideal for hobbyists, educators, and professional developers alike.