Comment by Michal Rusina on April 30, 2012 at 2:39am

roll channel would be useful for roll in cars also: for servos wich could move wheels on one side up and on the other down, just like mars rovers and rapper cars do ;)

Developer Comment by R_Lefebvre on April 30, 2012 at 4:57am

Great stuff JL!  If you don't mind maybe I'll try to port my LEDS code into it.

Developer Comment by R_Lefebvre on April 30, 2012 at 6:22am

Any idea about the Xbee?  Should it work now?

I'm browsing the code a bit.  Man, it's going to be hard to disentangle it from the Ardupilot code.

Comment by steve F11music.com on May 2, 2012 at 4:46am

Perfect! Now I know what to do with my IMUless apm1. :)

Comment by healthyfatboy on May 2, 2012 at 7:19am

Is v2 still compatible with the 1280 APM? If so, what's the difference between the light version and v2?

Developer Comment by Jean-Louis Naudin on May 2, 2012 at 7:38am

The APMrover V2 works well with the APM1280 with IMU shield (OilPan) with the magnetometer and the GPS MT3329. In the v2 the magnetometer can be used for a better accuracy at low speed. It is possible to use Xbee telemetry and logging feature (APM2560 and APMv2 only)

The APMrover v1 is the IMUless version of the firmware, the code has been reduced so as to have more memory space for the CPU of the APM1280, the magnetometer can't be used here. It is not possible to use logging here with the v1.

Regards, Jean-Louis

Comment by healthyfatboy on May 2, 2012 at 7:58am

Makes sense. Looks like I need to find an APM2560 then since I have the shield and an APM1280 already.

Thanks for the update! I'm very excited to try this out now.

Comment by Grips on May 2, 2012 at 8:30am

If anyone has a spare APM 1.4 they want to get rid of, or direct me to the easiest place to buy the necessary and cheapest APM gear for this, message me.

Developer Comment by R_Lefebvre on May 2, 2012 at 8:40am

Guys, let me reiterate, this is a fun project to work on.  It's low stress because the rover is... well it can't crash.  I hit my house a few times, no damage, just roll it over and keep going. :D  And the best part is, I can say that V1 that I tested, it just works. I didn't even do any PID tuning, it just worked (once I got the wiring right!).

I can suggest that if you're looking to set up a machine, it might be best to use a 45 or 55 turn "Crawler" motor as it will be operating in a better speed range than if you use a high performance motor from a racing truck.  I'm using a 4wd "crawler" truck and it's cool because it will drive over anything... until it flips.

This is a fun way to get used to mission scripting with no risk if you have an old RC car lying around.  And I'm sure we all do. ;)

Comment by Anish on May 2, 2012 at 8:56am

i have this lying around, which i am yet to convert (plus the castle creation mamba XL conversion kit)

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