ArduRover User Group

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

Members: 416
Latest Activity: on Saturday

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

Mission (not) Reset

Started by LoopZilla. Last reply by LoopZilla on Wednesday. 4 Replies

Hi,I posted the following on the Tower (DroidPlanner) Git issue forum, and received a reply that this may be an ArduRover issue, rather than an OCU software issue.  Interestingly, when I use…Continue

Can I reassign channels 7 and 8

Started by Flying Buddha. Last reply by Grant Morphett Mar 23. 5 Replies

I need to use channels 7 and 8 on my "Immersion R/C 8 channel" receiver to control two switches. Is it possible to change the default ch 7 and 8 functions on my pixhawk (Ardurover 2.91) to use ch 9…Continue

Cannot intialize battey voltage monitor

Started by Jim phelps. Last reply by Jim phelps Mar 13. 8 Replies

I cannot get the APM to read the battery voltage.APM2.5Ardurover 2.49Voltage tapped off of 2S battery with potentiometer (8.2volts in=3.0volts out)Monitor type is set to voltage onlySensor (none), I…Continue

APMRover2 simulation with MORSE

Started by zach w. Last reply by Niall Dempsey Mar 11. 2 Replies

Hello.I set myself a challenge of hooking up APMRover2 to a car simulated in MORSE and it seems to work so I thought I'd write about it. Might be interesting to someone.…Continue

Comment Wall


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Comment by Thomas J Coyle III on May 17, 2013 at 11:51am


You could easily program an Arduino Pro Mini to reverse the servo direction and proportionalize it to your requirements.



Comment by Mike Wilson on May 17, 2013 at 11:05am

That's what I just found out as well TC.

I'm going to look at modifying the APM code to output a mixed PWM signal on one of the unused output ports that can be used to steer the rear wheels.



Comment by Thomas J Coyle III on May 17, 2013 at 10:08am


The skid steering function in ArduRover2 is for throttles only. It assumes that there is an ESC attached to each throttle channel. Skid steering does not provide a steering output in the traditional sense.



Comment by Mike Wilson on May 17, 2013 at 9:34am

@John Moore,


The problem is I need to drive the rear servos in the opposite direction and also at a different steering ratio. I use only 40% on the rear wheels.


Comment by Kabir on May 17, 2013 at 8:19am

Thanks for all the suggestions guys :)

I loved NitroRCX  cars, especially at that price but they don't ship to India. Is any kind soul willing to drop-ship for me?


Comment by John Moore on May 17, 2013 at 8:06am

@ Mike,

Probably your easiest method to accomplish this would be a server wire splitter.  Allowing one steering ch to drive 2 servo's.



Comment by Mike Wilson on May 17, 2013 at 6:08am

Hi guys,

I'm looking for the best way to setup 4 wheel steering with the APM.  My Traxxas e-Maxx is setup with 4 servos and I understand that the standard APM code only has a single output for steering.  There are lots of spare outputs so I don't think it would be too difficult to add code to mix PWM signals and invert them for the rear steering.  Has anyone already done this?  I would prefer not to have to use an external mixer.  Since the new APM code supports Skid Steering, could the skid steering output be used somehow?



Comment by Greg O on May 16, 2013 at 1:29pm
The CEN GST can also be gotten used for fairly cheap (under 200) and is built like a tank. It's a nitro truck but has brushless conversions. Has a ton of internal space if you add a roll cage or bar to it. This is what I'm going to base my rover on when I start my build. After seeing the great process, its making me want to get this going.
Comment by Bot Thoughts on May 16, 2013 at 1:16pm

FYI, RedCat Racing, ExceedRC, and a couple of other brands carry some of the same models. Do a bit of research on durability. I have seen folks post that they like RedCat; it's not clear to me if the models are identical or if there are differences in plastic or what. Just read up on the RC sites.

Comment by John Moore on May 16, 2013 at 7:58am


Another platform to consider is the RedCat Racing (  My buddy is running a cheep rock crawler which he paid $150 for which perfoms really well.

Another one I considered was the 1/8 scale MaxStone crawler by exceed found at



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