Seeed Studio Studio Grove 8-Channel I2C Hub (TCA9548A)
Seeed Studio Studio Grove 8-Channel I2C Hub (TCA9548A) - Image 2
Seeed Studio Studio Grove 8-Channel I2C Hub (TCA9548A) - Image 3
SKU: SBCD-0818
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Seeed Studio Studio Grove 8-Channel I2C Hub (TCA9548A)

₹779.00 (Inclusive of all taxes)
Out of Stock

The Seeed Studio Studio Grove 8-Channel I2C Hub, powered by the TCA9548A multiplexer, expands a single I2C bus to eight ports, allowing multiple devices with identical I2C addresses to coexist and operate simultaneously on 3.3V/5V systems.

Features

  • Expands one I2C bus to eight independent Grove I2C ports.
  • Resolves I2C address conflicts, enabling multiple identical devices on a single bus.
  • Integrates TCA9548A I2C Multiplexer for reliable channel management.
  • Compatible with both 3.3V and 5V power supply systems.

Out of stock

Description

The Seeed Studio Studio Grove 8-Channel I2C Hub (TCA9548A) is an essential expansion module for complex embedded projects requiring extensive I2C device integration. Leveraging the robust TCA9548A I2C Multiplexer chip, this hub transforms a single I2C bus into eight independent channels. This capability is critical for overcoming the inherent limitation of I2C, where devices typically require unique addresses on the same bus. With this hub, developers can connect up to eight I2C devices, even if they share the same address, effectively eliminating address conflict concerns.

Designed for seamless integration into various development environments, the hub supports both 3.3V and 5V systems, making it versatile for a wide range of microcontrollers and single board computers. Its time-division multiplexing technology ensures that the host controller can communicate with each connected device without interference. The Grove connectors simplify prototyping, providing a plug-and-play experience for adding sensors, actuators, and other I2C peripherals to your project.

Key Features

  • Features 8 independent Grove I2C ports for extensive peripheral expansion.
  • Incorporates the TCA9548A I2C Multiplexer chip for robust channel management.
  • Enables the connection of multiple I2C devices with identical addresses to a single host.
  • Supports flexible operation with both 3.3V and 5V system voltage levels.
  • Utilizes time-division multiplexing to prevent address conflicts and ensure reliable communication.
  • Simplifies wiring with standard Grove connectors for quick prototyping.

Applications

  • IoT sensor networks requiring numerous I2C sensors.
  • Robotics projects integrating multiple identical I2C modules.
  • Home automation systems with expanded peripheral control.
  • Educational prototyping platforms for complex I2C setups.
  • Industrial monitoring and control systems needing I2C bus expansion.

Technical Specifications

ChipTCA9548A
I2C Ports8 (Grove compatible)
Operating Voltage3.3V / 5V
Length82 mm
Width22 mm
Mounting Hole Diameter2 mm
Weight10 g

Frequently Asked Questions

Can this hub be used with both 3.3V and 5V microcontrollers?

Yes, the Grove 8-Channel I2C Hub is designed to be fully compatible with both 3.3V and 5V operating voltage systems. This flexibility makes it suitable for integration with a wide range of development boards, including Arduino, Raspberry Pi, ESP32, and other common MCUs.

How does this hub resolve I2C address conflicts?

The hub resolves conflicts via time-division multiplexing. Each of the eight I2C channels can be individually enabled or disabled by the master. When a specific channel is enabled, only devices on that channel communicate, effectively allowing multiple identical devices to share the same physical bus through different logical channels, preventing address clashes.

What type of connectors does the hub use for I2C devices?

The hub features eight standard Grove connectors. Grove is a standardized, modular, and easy-to-use connector system developed by Seeed Studio Studio. It simplifies wiring and ensures plug-and-play compatibility with a vast ecosystem of Grove-compatible sensors, actuators, and modules.

Is any specific software or library required to use this I2C hub?

While the TCA9548A is a standard I2C device, its use typically involves writing code to select the desired I2C channel. Libraries exist for popular platforms like Arduino (e.g., `Adafruit_TCA9548A`) to simplify channel selection and communication with attached devices, streamlining integration into your projects.

Package Includes

  • 1 x Grove - 8 Channel I2C Hub (TCA9548A)
  • 1 x 20cm Grove Cable

Additional Information

Weight 0.01 kg
Dimensions 8.2 × 2.2 cm

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