ArduRover User Group

Dedicated to the exchange of useful information between members using the Arduino or other families of processors for autonomous rovers.

Members: 464
Latest Activity: 12 minutes ago

Before Posting an Issue

Hi All,

Before posting an issue or a problem in the ArduRover Discussion Forum, please check the wiki table of contents, review the firmware release notes in the subforum, and search that subforum for existing answers to your question. Help avoid duplicate threads by finding other members with the same issue and their solution.

When formulating your post, use a descriptive title such as "rover will not navigate to waypoints in the Auto mode" (not "HELP!" or "Problem").

Please include the following information to help diagnose your query:

  • Describe the problem you are having. What is the expected verses the observed behavior?
  • Provide hardware information such as the brand and version of your autopilot, GPS, radio, and compass, as well as any other pertinent details about your rover setup.
  • What version of the APM: ArdurRover2 firmware version are you running?
  • For navigation issues, provide your tlog and/or dataflash log. Click here for instructions on retrieving a dataflash log.


Discussion Forum

Apm Rover in tractor setup.

Started by Matthew Reimer. Last reply by Cala 12 minutes ago. 143 Replies

I want to use pixhawk with the apm rover firmware to operate an agricultural tractor. I need to set up my tractor as an rc vehicle.  My plan is as follows: any feedback I can get is appreciated.  I…Continue

RoverWarning _No Brakes! A throttle nudge story.

Started by dr0n3droid. Last reply by dr0n3droid 48 minutes ago. 5 Replies

While testing my rover recently, I had one of the most counterintuitive experiences in my decade long rc career with catastrophic results.In AUTO, I was tweaking cruise speed while running a looped…Continue

Rover Hold/Delay At Waypoint

Started by tjfhlv. Last reply by Grant Morphett on Friday. 12 Replies

I'm currently testing a rover setup that I need to have go to a waypoint, hold position at that waypoint for a period of time, then simply continue on it's mission. I have looked through this group,…Continue

Help with Pixhawk and TRex dual motor controller

Started by Steven Cohen. Last reply by Steven Cohen on Thursday. 11 Replies

I'm a technology instructor at a new Applied Tech HS setting up a long term rover project and working out the kinks over the summer. I will ultimately be using the Dagu wild thumper and a sabretooth…Continue

Comment Wall


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Comment by Anders Wikstrom on May 13, 2015 at 7:38am

Hi Grant. Yes I have. The Piksi hasn't been very useful until now as it hasn't been stable. With the new release V16 the Pixhawk doesnt manage to read the data correctly.
I will try to contact Niels


Comment by Grant Morphett on May 13, 2015 at 2:55am

Hi Anders.  I haven't setup my Piksi's yet.  Have you read these pages?  They should help.  Otherwise try contact Niels Joubert who wrote the driver.

Thanks, Grant.

Comment by Anders Wikstrom on May 11, 2015 at 11:59am

Changing UART mode in Piksi dont help, Status is 1 and never increase although the Piksi sees many satellites.

Comment by Anders Wikstrom on May 11, 2015 at 11:20am

After upgrading Piksi to version 16 I cannot get the PixHawk to communicate with it. I have tried it as GPS1 and GPS2 with the same result. Baud 115 and tried protocol 1 and 5 without success.
What protocol should Piksi use to communicate with Pixhawk?

Comment by Grant Morphett on May 11, 2015 at 3:42am

Thanks Tom.

Hi Hugues.  There are 2 orientation parameters.  One for the pixhawk board and one for the external compass.  Have a look at these pages:

Comment by Thomas J Coyle III on May 10, 2015 at 4:35am


You might have to orient the GPS/Compass the same way that the Pixhawk module is oriented on the chassis.

This sounds like a problem that might require assistance from Grant Morphett.



Comment by Hugues on May 10, 2015 at 4:23am

Pixhawk and GPS+Compass module orientation question :

-Pixhawk is turned 90 degrees clockwise relative to the front of vehicule

-The external compass+GPS is facing the front of the vehicle

I tried "Rotation_none", then "rotation yaw 90", also "rotation_yaw 270" with no success in having the front of the vehicule facing North (checked by looking at mission planner's HUD). I made a reboot and compass calib dance at each change. No joy.

Any ideas what I'm doing wrong ? (or known issue in rover code ?)

Comment by Thomas J Coyle III on May 4, 2015 at 7:06pm


I have bought all of my Traxxas Slash/E-Maxx roller chassis and hardware off of eBay from sellers with 99 -100% ratings.


Tom C AVD 

Comment by Hugues on May 4, 2015 at 12:28pm

@Tom,Niall, thx for your advice's. What online shop sells this e-maxx chassis and NEU motor?

Comment by Antonie Kruger on May 4, 2015 at 2:18am

@Niall, that's great. Made my day:)
You should paint some spots on the robot and replace the beep with a bark - would sound less like a south African taxi and more like a herding dog. I like your design.
Thanks for sharing.


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