Comment by KM6VV on June 29, 2012 at 2:00pm

I downloaded the libraries, and looked at the AP_GPS header files.  I see several different GPS header files, including MTK.  BLOX is there, hopefully they will add the newest  sub meter chip.  I should think you'd be able to find one similar, and use it as a starting point for writing your own...

As (I think) Jordi Munoz wrote the SparkFun 9DOF IMU code, maybe he'll write an AP_ library for it!

Alan

Comment by TFrancis on June 30, 2012 at 10:13am

Hey DIY community, 

I'm getting near the final stages of setup for my APM Rover using the Traxxas Stampede. I've been reading through the comments and doing some internet research, but I'm still not 100% on how the BEC connects. The default on my traxxas is Battery > ESC > APM 2. Since the ESC has a BEC in it I need to cut the red wire. I figured that I put the BEC between the battery to the APM but it seems like the connectors on the BEC are way smaller than the connectors on the battery. Also what confuses me is that according to the first picture it seems that JL still has the battery connected directly to the ESC (the thick red and black wires)

So in short, where does the BEC go and HOW do I connect it  

Thanks a lot, TFrancis

3D Robotics Comment by Chris Anderson on June 30, 2012 at 1:17pm

TFrancis: Please see the manual (a work in progress) here. 

Admin Comment by Thomas J Coyle III on June 30, 2012 at 3:48pm

@TFrancis,

It is better to pull the red wire pin out of the three pin conncector and tape it out of the way rather than cutting it. Also I recommend that you use a BEC big enough to handle the APM and the steering servos. I would recommend a BEC of at least 3 - 5 Amps so as not to get voltage sag and the resetting of the APM during operation. You might want to consider powering the BEC from a separate battery so that the motor will always get full power from its own battery.

Just a thought.

Regards,

TCIII

Comment by TFrancis on July 1, 2012 at 7:25pm

Okay okay I see where I was confused. In my mind I just needed to use the standard 8.4 NiMh battery to plug into a BEC to plug into the APM to power EVERYTHING. But Unless I'm (still) mistaken the battery needs to power the ESC. And I need a separate source to power the APM and the servos.

Or I believe I saw that I could use a separate BEC in parallel with the ESC that goes straight to the APM so I end up with:

Battery

--ESC

-----APM

--BEC

-----APM

Or am I still missing something

Thanks for your help haha I feel like I already know the answer but I can't seem to grasp the reality

Comment by Ron Perry on July 2, 2012 at 12:45pm

Hello fellow ArduRover developers & tweakers,

I'm helping set up the ArduRover wiki and I'm currently focusing on including parameters pertinent to ArduRover. I want to also specify the range/options for the parameters ie boolean, range [0..100], or string_. If you check out the page let me know what parameters/values are missing or maybe I listed some that aren't used.

'ArduRover Config' WIKI Page

Thanks!

/ron

Comment by KM6VV on July 5, 2012 at 11:06am

Ordered APM2 kit and new U Blox GPS! 

Alan

Comment by healthyfatboy on July 9, 2012 at 6:58pm

Okay, it's been a while but I'm trying to get back into this again.

I'm having issues connecting the APM to the Mission Planner. Each time I try to connect, I get

"Getting Params.. (sysid 1 compid 1)"

and then it times out with a connection failed. When I click to get more details, it says my serial link isn't fast enough.

I'm using a bare 1280 board and I had it working a couple of months ago. The only differences are before, I was using a netbook for everything but now I'm using a MacBook with Windows 7 running in bootcamp instead of a netbook.

Any ideas what could be wrong here?

Comment by Chris East on July 11, 2012 at 8:03pm

Hi All,

Some help and input please

I have loaded on the latest version of APMrover on my APM2. The trouble im having is that the mode switch is not working on input 8. I have found that the input switch is working on input 5, but when i go to auto mode (pwm 1100) it resets the APM2.

Being new to C and the code i haven't worked out how to change the input channel yet.

Is there something i have missed?

Cheers

Chris

3D Robotics Comment by Chris Anderson on July 11, 2012 at 8:27pm

Chris: I found that switching into auto was resetting the board sometimes, too, but I'm not sure it's the code. It might be that the sudden servo/motor commands in auto mode are causing your BEC to sag, leading to a brownout. Have you tried with stand-alone power supply/BEC?

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