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Parallax Gyro work on Turtlebot 1?

asked 2014-01-07 14:12:07 -0500

rleigh gravatar image

updated 2014-01-28 17:18:58 -0500

ngrennan gravatar image


I've built my own Turtlebot using the iRobot create and xBox Kinect. I have the latest ROS installed and running. I picked up a Parallax Gyroscope Module 3-Axis L3G4200D: ( from my local RadioShack and wanted to know if it will work with the ROS software. I found this post: Is an IMU required to run Turtlebot stack?: (// and was wondering if it would connect to the create the same way.

I've been building this to learn programming/robotics and pretty good at following directions. But don't have the knowledge to start from scratch yet. I want to think everyone that shares their projects and code. It really helps us newcomers getting started.

1/9/14 UPDATE: Would this be the correct connections for this gyro if ROS supports it? (

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answered 2014-01-09 16:40:43 -0500

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One the Turtlebot1, the original gyro was attached to one of the analog input pins on the Create.

To determine if your gyro is compatible, you'll need to check a few things:

  • Does it use the same power supply voltage as the original gyro? (5V)
  • Does it have an analog output pin?
  • Does the analog output have the same magnitude as the original gryo? The original gyro specifies 12.5 mV/degree/sec

If you find a compatible gyro, make sure that the axis that you hook up to the Turtlebot's analog input pin is the vertical axis.


The gyro you've picked out is a digital gyro, and won't be compatible with the Turtlebot1.

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ahendrix, thanks for the reply. I misunderstood the description of this gyro. I thought that it could be wired as a digital or analog ( three or four ) wire setup. I'll look for an analog gyro. Thanks again for your time.

rleigh gravatar image rleigh  ( 2014-01-09 17:10:00 -0500 )edit

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Asked: 2014-01-07 14:12:07 -0500

Seen: 425 times

Last updated: Jan 09 '14