CJMCU TCA9548A I2C 8-Channel Expansion Board – Multi-Device Development

The CJMCU TCA9548A I2C Expansion Board is a powerful 8-channel I2C multiplexer that allows seamless communication with multiple I2C devices using the same bus. This module is ideal for projects that require multiple sensors, displays, or peripherals while avoiding address conflicts.

Key Features:

• 8-Channel I2C Multiplexer – Connect multiple I2C devices without address conflicts.
• Independent Channel Control – Select and enable individual channels as needed.
• Wide Voltage Compatibility – Supports 1.8V, 2.5V, 3.3V, and 5V logic levels.
• Low Power Consumption – Efficient design for minimal energy usage.
• Easy Integration – Compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers.
• Compact & Lightweight – Small PCB size for easy embedding in various projects.

Applications:

• Connecting multiple I2C sensors and modules
• Expanding I2C capabilities in Arduino & Raspberry Pi projects
• Avoiding I2C address conflicts in multi-device systems
• Home automation and IoT applications
• Robotics and embedded system development

Specifications:

• IC Model: TCA9548A
• Number of Channels: 8
• Operating Voltage: 1.8V – 5V
• Communication Interface: I2C
• Address Range: 0x70 – 0x77 (Configurable)
• Dimensions: Compact PCB for easy integration

The CJMCU TCA9548A I2C Expansion Board simplifies multi-device communication in I2C-based projects. Get yours today and expand your development possibilities!