PCF8574T IO expansion board

The PCF8574T IO Expansion Board is a versatile interface module designed to extend the I/O capabilities of microcontrollers and development boards. Based on the PCF8574T I/O expander IC, this board provides additional digital input and output channels through an I2C interface, making it ideal for expanding the number of available I/O pins in your projects.

Key Features:

• I2C Interface: Uses the I2C protocol for communication, allowing easy integration with microcontrollers and development boards.
• Digital I/O Expansion: Provides additional digital input and output channels, expanding the I/O capacity of your system.
• Addressable: Supports up to 8 different addresses, enabling multiple boards to be used on the same I2C bus.
• LED Indicators: Often includes LEDs for power and communication status, making it easier to troubleshoot and monitor operation.
• Compact Design: Small form factor for easy integration into various projects and systems.

Technical Specifications:

• IC Used: PCF8574T
• I/O Channels: 8 digital I/O lines (can be configured as inputs or outputs)
• I2C Addressing: 3 address pins (supports up to 8 different addresses)
• Supply Voltage: Typically 3.3V or 5V DC (depending on the board version)
• Operating Temperature Range: -40°C to +85°C (depending on the IC)
• Dimensions: Varies by manufacturer; generally compact for PCB integration

Applications:

• Microcontroller I/O Expansion: Adds extra I/O channels to microcontrollers or development boards with limited pins.
• Automated Systems: Useful in industrial automation for controlling and monitoring various devices.
• Home Automation: Expands the control interface for home automation systems.
• Embedded Projects: Ideal for embedded systems requiring additional input/output capabilities.
• Prototyping: Assists in prototyping and development by providing extra I/O options.

Datasheet:
For detailed technical specifications, refer to the PCF8574T Datasheet.