The Gravity: I2C HUB module is a highly efficient Arduino I2C Hub Splitter that allows you to connect up to 8 I2C devices to a single microcontroller, making it easy to build complex sensor networks or project systems. Whether you’re using multiple sensors, displays, or modules, this versatile I2C HUB expander simplifies wiring and expands your project’s potential without additional coding or address conflicts.

Its fully compatible with the Gravity series and can be connected via a Gravity-4P I2C/UART sensor cable or standard jumper wires. Ideal for prototyping, classroom learning, or building multifunctional IoT projects, this DFRobot Gravity I2C HUB is a must-have for developers.

Features

• Connect up to 8 I2C devices to one controller effortlessly with this I2C HUB

• Gravity interface for plug-and-play setup

• Compact and lightweight design

• Compatible with Arduino, ESP32, Raspberry Pi, and more, serving as an ideal Arduino I2C Hub Splitter

• Works with both Gravity modules and standard breakout boards

Specification

• Dimensions: 27mm 37mm

• Weight: 17g

Applications

• I2C sensor expansion for smart projects requiring a reliable I2C HUB module

• Ideal for building multi-sensor environmental monitors

• Great for classroom electronics education

• Useful in robotics, automation, and DIY IoT builds

Example Project

Making an Alarm Clock That Asks Questions Randomly
Combine the I2C HUB with modules like the speech synthesis and recognition units to create an interactive alarm clock. The clock will randomly ask a question and only stop ringing once the correct answer is givenotherwise, it keeps buzzing. A fun way to start your day!

Shipping List

• Gravity: I2C HUB 1

• Gravity-4P I2C/UART Sensor Cable 1

Reference

3D Model