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SparkFun Digital IMU Breakout - IMU3000

The IMU 3000 breakout features a 3-axis MEMS digital gyro with programmable ranges from +-250 to +-2000 degrees/sec. In addition, it has a secondary I2C port that interfaces with a digital accelerometer to deliver a complete 6-axis sensor output from its primary I2C port. The fusion output offloads the intensive motion processing computation requirements from the host processor, reducing the need for frequent polling of the motion sensor output and enabling low cost, low power microcontrollers.

We provide you with a simple board which breaks out the necessary pins on the IMU 3000 and provides for the primary I2C output as well as the secondary I2C input for an external accelerometer.

SparkFun Digital IMU Breakout - IMU3000 Product Help and Resources

Core Skill: Soldering

This skill defines how difficult the soldering is on a particular product. It might be a couple simple solder joints, or require special reflow tools.

1 Soldering

Skill Level: Noob - Some basic soldering is required, but it is limited to a just a few pins, basic through-hole soldering, and couple (if any) polarized components. A basic soldering iron is all you should need.
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Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

3 Programming

Skill Level: Competent - The toolchain for programming is a bit more complex and will examples may not be explicitly provided for you. You will be required to have a fundamental knowledge of programming and be required to provide your own code. You may need to modify existing libraries or code to work with your specific hardware. Sensor and hardware interfaces will be SPI or I2C.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

1 Electrical Prototyping

Skill Level: Noob - You don't need to reference a datasheet, but you will need to know basic power requirements.
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Comments

Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • Member #377629 / about 11 years ago / 1

    Is this product suitable for use in a DIY Segway? I'm just learning about IMUs and advanced sensors like this, so if anyone can tell me the cheapest option that will give me a decently accurate reading of the tilt (leaning forwards and back) it would be fantastic.

  • Member #438956 / about 11 years ago / 1

    does it contain accelerometer or we need to connect external accelerometer?

  • ThinkerT / about 13 years ago / 1

    Could I use this as an IMU in a plane, or do I need more DOF?

  • Jeff Rowberg / about 13 years ago / 1

    What about the MPU-6000, also from InvenSense? Cheap, same basic functionality, 6DOF unit with quaternion calculation, etc. It looks like a perfect upgrade from this.

  • Member #42736 / about 13 years ago / 1

    It doesn't specify in the IMU_3000 datasheet, but with the ITG-3200 if I remember right(dataheet says to connect CLKIN to gnd if unused), CLKIN had to be grounded if not used before it would work. I'm sure somebody has tested these new boards.

  • Hypernova / about 13 years ago / 1

    Personally I was a bit disappointed with this chip when I read the datasheet compared to when it was first press released. The only thing this chip does is collect the accel data for you so you only manage one I2C, there's no actual processing. So the Digital Motion "Processing" name is a bit deceptive as the same can be achieved with mcu's with DMA's. Granted it does save you some power but for the average user this won't matter that much with home rockets lasting only a few minutes at best.
    There's also no provision to do INT triggered read for the external accel, if you read the BMA180 datasheet it will tell you that to get the best performance out of it you should leave it alone until it generates an INT, as traffic on the bus can couple noise into it while its ADC was sampling.

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