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ArduRover User Group

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

Members: 348
Latest Activity: 2 hours 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.

TCIII

Discussion Forum

Throttle use in Auto mode

Started by emile 'butch' alline. Last reply by MikeRover 6 hours ago. 7 Replies

What should the rover do when I switch to Auto mode?  Should the motor start immediately?  In my case, I have to manually move the throttle stick to control speed all the way to the first WP.The only…Continue

mission planner for android ?

Started by Apostolos. Last reply by Apostolos yesterday. 8 Replies

HiAre there any thoughts to port mission planer to the android platform ?Continue

Can ArduRover software be used on any Arduino Mega?

Started by emile 'butch' alline. Last reply by Joseph Brandine Jul 24. 10 Replies

I realize that it may take some work, but can I use my existing Mega, GPS, 3DR radio and load it with ArduRover software and have something that works like an APM2.5 and uses Mission Planner? I have…Continue

Needing do_set_servo command on a Pixhawk rover help

Started by RoboBill. Last reply by RoboBill Jul 20. 6 Replies

I have a Dimension Engineering "Doubleswitch" R/C relay on my Pixhawk controlled rover. I need to turn this relay on at a waypoint during the rover's mission.So far I've done the following;1) Set the…Continue

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Comment by Mike Wilson on May 17, 2013 at 12:51pm

@Tom,

I thought about that as well.  Looks like it will be a fun filled weekend :-).

 

....Mike


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

@Mike,

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

Regards,

TCIII

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.

 

..Mike


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

@Mike,

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.

Regards,

TCIII

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.

Mike

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?

Kabir

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.

 

John

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?

 

....Mike

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.

 
 
 

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