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Track Motion and Orientation with One Compact Module

The IMU GY-85 9DOF Sensor Module for Arduino is a motion sensor module with i2c designed for motion tracking, robot balance, and orientation sensing. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Power supply: 3-5V; Interface: I2C; Size: 2.2cm * 1.7cm.

Important: Motion sensors often need calibration in software to get the best accuracy. Mounting angle and vibration can change the result.

Why you’ll love it

  • Power range: 3-5V
  • Compact size: 2.2cm * 1.7cm
  • Easy wiring: I2C
  • Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
  • Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
  • Project-ready sensing: robot balancing, gesture sensing, motion tracking, and navigation

Compare with similar products

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What you can build

This sensor is a good fit for balancing robots, gesture controllers, motion loggers, wearables, and camera rigs.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus an I2C cable or jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include a display, battery pack, and a solid mounting plate, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product IMU GY-85 9DOF Sensor Module for Arduino
Power supply 3-5V
Size 2.2cm * 1.7cm
Interface I2C
Category imu motion sensors

Wiring & usage notes

Connect VCC, GND, SDA, and SCL to your controller. Use the correct board voltage and I2C address in your code. Motion sensors often need calibration in software to get the best accuracy. Mounting angle and vibration can change the result.

What’s in the box

1 × IMU GY-85 9DOF Sensor Module for Arduino

Frequently Asked Questions

What does the IMU GY-85 9DOF Sensor Module for Arduino measure? It is designed to measure motion, tilt, rotation, or orientation.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this I2C sensor? This version uses I2C, so you usually connect VCC, GND, SDA, and SCL.
Does it need calibration? Usually yes. Motion sensors often benefit from software calibration to improve offset, drift, and orientation accuracy.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

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Notes from the bench

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