Help please - GPS and X - +

I have finished building my pre-soldered ArduCopter. I loaded RC2 as 1.4 (which was pre-installed) seems to be out of date now.

 

Could someone please help me with the following issues?

1. I set everything up before plugging in my Mtek GPS 3329. Once I plugged the GPS in I could not arm the ESC's, which seems odd.

 

2. The light on the GPS goes solid but I do not get a light on position C on the the IMU shield to indicate that the GPS is working.

 

3. There is information on the Wiki about updating the Mtek firmware. I have not done this as I assumed that this update would have been already done before the kit was shipped to me. Do I need to update the firmware to solve the problems in 1. and 2. above?

 

4. On the test bench I cannot see any difference in motor response to RC control inputs or stabilisation feedback between selecting X or + mode using the dip switches. I want to run X mode and I assume that when this is selected I would see the rear left and rear right motors powering up on a forward elevator (pitch) input. Instead on the rear (as in + config) motor gives any power when I push the elevator stick forward. All other motor responses (i.e. aileron and pitch back) are what I would expect for + config even with the dip switch set to X.

 

I would appreciate any help you folks could give me on these issues.

 

Thanks


Andrew

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Replies

  • Reloaded R2 and to the APM and it recognised X config. I guess I must have made an error somewhere in the sketch. 

     

    Managed several flights in stable mode. Worked well, very stable in fact :-).

  • 3D Robotics
    Did you plug the GPS into the right connector? (The one on the APM board, NOT the shield)
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