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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: 367
Latest Activity: 7 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.

TCIII

Discussion Forum

High Res GPS ?

Started by heliboy. Last reply by chrisa 7 minutes ago. 1 Reply

I have playing with ardurover for a while. Great stuff ! Now I have migrated to the pix hawk version and I am working the transition out. My latest robot is a tracked 4000 pound diesel powered…Continue

Pixhawk + Credit card sized PC + camera + OpenCV ...

Started by Raimo Noormaa. Last reply by Interested in Quads on Thursday. 2 Replies

Hi,I started to play around with computer vision - recognizing some patterns is great. Currently do it on my laptop (MS VB + integrated webcam)I would like to hear your comments about using different…Continue

new PIXHAWK APM will not do anything in Auto Mode

Started by heliboy. Last reply by Thomas J Coyle III Sep 21. 7 Replies

Hi All:Decided to bite the bullet and upgrade to PIxhawk. Got everything and everything went smoothly.Used Futaba sbus link from RX to PixHawk. Works fine. CH1 CH2 for speed and steering CH7 - learn…Continue

How to Install Dual Sonars on a Pixhawk

Started by Thomas J Coyle III. Last reply by Thomas J Coyle III Sep 21. 16 Replies

Hi All,I just completed installing dual Maxbotix MB1240 sonars on one of my Pixhawk equipped rovers.Since the sonars were from an APM equipped rover they already had single pair shielded cables…Continue

Tags: install, Pixhawk, dual, sonar

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Comment by KM6VV on May 28, 2013 at 5:29pm

@Jared,

That's about what I'm doing.  S.L.O.W.L.Y learning ROS.   What are you using to drive your 'bot?  I'm using a roboclaw dual motor controller, and I do use an Arduino "in between" along with (for now) an APM. 

I want to migrate all GPS, LiDAR, IMU, ultrasonic sensors up the the mini-ITX, but I'll keep the wheel encoders connected to the roboclaw.

For a while, the APM can talk to the Arduino and motor controller, and run the 'bot.

Alan  KM6VV

Comment by Jared Crouch on May 28, 2013 at 2:30pm

Thanks Chris,

The project I'm working on is to make a robotic platform autonomous, the platform has a SBC(running ROS and Ubuntu 12.04). I've only just come into the project so trying to get my head around the system, and learn ROS. Basically I would like to have APM functionality but I'm not using servo motors...

Anyone Done something like this?


3D Robotics
Comment by Chris Anderson on May 28, 2013 at 7:13am

Jared,

It depends on what data you want to get out of it. If you want full autopilot functionality, you're better off with APM 2.5. ArduIMU is an older product and is no longer being actively developed. 

But if you just want attitude data, ArduIMU works fine. 

Comment by Jared Crouch on May 27, 2013 at 9:57pm

Hi Group,

I'm new to all this, I have a APM 2.5, is it possible to use it as an IMU like the ArduIMU or am I better off just buying the ArduIMU?


Admin
Comment by Thomas J Coyle III on May 27, 2013 at 5:55am

I have been testing my Slash rover with the latest ArduRover2 v2.24b code and the consistence of the waypoint tracking is exceptionally good. Tridge and I have been working on speed control, which can be done in the Mission Planner, at various points on my vehicle test course here in Florida. The object is to get the rover to have the fastest average time possible through the test course which can be translated to the actual AVC course performance.

Regards,

TCIII

Comment by MVeloso on May 27, 2013 at 1:35am

@ Thomas

thank you for the information.


Admin
Comment by Thomas J Coyle III on May 26, 2013 at 9:58am

@MVeloso,

Nice to hear you got your rover working and are satisfied with its performance.

We will have an L1 version of the ArduRover2 code available after it has been alpha/beta tested over the next several weeks.

TCIII

Comment by MVeloso on May 26, 2013 at 9:20am

I have just trim my buggy!

My goal is to have a moderate speed and good navigation.

Regarding navigation I saved the points 3 days ago and did all the tests with same points.

The precision differs  from 30 cm to 2,5 meters. It depends on  weather conditions.

 

For driving, speed and heading this are my PID´s :

 

 

 

 

 

Plus:

AHRS_COMP_BETA

0,003

AHRS_RP_P

0,37

AHRS_YAW_P

0,39

 

For more details about my Rover(buggy) :

 

http://www.youtube.com/watch?v=5lSX4837gPg

Comment by Mike Wilson on May 18, 2013 at 5:02am
Thanks for the link. I'll check it out.
Comment by healthyfatboy on May 17, 2013 at 8:38pm

Turnigy also makes a servo reverser and if I remember correctly, it will slow down the servo as well so if you use 3 Y cables, one would split front and back servos, another splits the two fronts, and the other goes to the reverser. The reverser should allow for two servos to run off the one signal.

Here's the link.

http://hobbyking.com/hobbyking/store/__8863__Turnigy_3_Channel_Serv...

 
 
 

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