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DFRobot Gravity: BMI323+BMM350 9DOF IMU Sensor (I2C / UART, Plug & Play)
The DFRobot Gravity: BMI323+BMM350 9DOF IMU Sensor (I2C / UART, Plug & Play) by DFRobot is a mid-range imu, accelerometer, magnetometer and gyroscope designed for everyday users. It features Shipping Weight: 0.015 kg and Shipping Dimensions: 8 × 08 × 3.0 cm.
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About This Product
The DFRobot Gravity: BMI323+BMM350 9DOF IMU Sensor (I2C / UART, Plug & Play) by DFRobot is a mid-range imu, accelerometer, magnetometer and gyroscope designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Shipping Weight: 0.015 kg
- Shipping Dimensions: 8 × 08 × 3.0 cm
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The DFRobot Gravity: BMI323+BMM350 9DOF IMU Sensor is a compact motion sensing module designed for robotics, wearables, embedded systems, and orientation tracking applications. It integrates a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer using Bosch BMI323 and BMM350 sensors to deliver accurate acceleration, angular velocity, and magnetic field measurements. Unlike standard 6-axis IMUs, this module provides heading-aware motion sensing for electronic compass and direction-based projects. Supporting both I2C and UART communication, it offers seamless compatibility with Arduino, ESP32, Raspberry Pi, and other development platforms. Four selectable I2C addresses and three programmable interrupt pins simplify multi-sensor integration and event-driven applications. The Gravity connector ensures quick plug-and-play wiring, making the module an excellent choice for rapid prototyping, educational projects, and embedded motion sensing development.
Features:
- 9DOF sensor with accelerometer, gyroscope, and magnetometer
- Bosch BMI323 and BMM350 sensor combination
- Supports both I2C and UART communication
- Four selectable I2C addresses for multi-device systems
- Three programmable interrupt pins
- Built-in motion event detection functions
- Gravity plug-and-play connector for easy wiring
- Suitable for Arduino, ESP32, Raspberry Pi, and embedded platforms
Useful Link: Gravity: 9 DOF IMU Sensor wiki
Specifications:
- Sensor Combination: Bosch BMI323 + Bosch BMM350
- Sensor Type: 9DOF IMU
- Accelerometer: 3-Axis
- Gyroscope: 3-Axis
- Magnetometer: 3-Axis
- Operating Voltage: DC 3.3–5V
- Operating Current: 3.42mA
- Communication Interface: I²C / UART
- Connector Type: PH2.0-4P (Gravity) / 2.54mm Pin Header
- I²C Addresses: 0x4A (Default), 0x4B, 0x4C, 0x4D
- Programmable Interrupt Pins: 3
- Accelerometer Resolution: 16-bit
- Accelerometer Range: ±2g, ±4g, ±8g, ±16g
- Accelerometer ODR: 0.78125Hz–6400Hz
- Gyroscope Resolution: 16-bit
- Gyroscope Range: ±125, ±250, ±500, ±1000, ±2000°/s
- Gyroscope ODR: 0.78125Hz–6400Hz
- Magnetometer Measurement Range: ±2000µT
- Magnetometer Resolution: Approx. 0.1µT
- Magnetometer Max Trigger Frequency: 200Hz
- PCB Size: 32 × 27mm
- Mounting Hole Spacing: 20mm
- Mounting Hole Diameter: 3mm
- Weight: 4g
Applications:
- Electronic Compass and Heading Reference
- Robotics Orientation Feedback
- Wearable Motion Devices
- Gesture-Controlled Handheld Devices
Package Includes:
1 x Gravity: High Precision 9 DOF IMU Sensor
1 x Gravity 4P Sensor Cable
1 x 2.54 mm Black Single Row Pin Header – 10-Pin
