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Pre-flight Checklist

I'm working on a APM pre-flight checklist.  Here is what I have so far.  What would you add? How would you change the order?

ArduPilot Mega Drone Pre-flight Checklist

  1.  
    1. battery voltage
    2. motor disconnected - power ON
    3. switch APM to test mode
    4. run planner - ent

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Can a DIY Magnetometer help?

I understand  that  gps is less accurate while stationary or with very slow ground speed.

In Auto mode I have noticed with slow ground speeds the system hunts for a correct heading often resulting in negative stability while trying to maintain a groun

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Power problem?

I realy need your help! First of all, excuse my bad english.

I set up a plane with ardupilot mega and the imu sheeld. i attached following

  • ublox gps
  • airspeed sensor
  • 4 servos (aileron with y-cable)
  • xbee xbeexsc
  • esc to power whole system by my 3s lipo

my prob

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Expansion port

What are the pin numbers for the expansion port on the top of the board near the barometric sensor?

I tracked down the A and C led code and want to use the expansion ports for external LEDs.

 

Or, if I am reading the code in Arducopter.h there are sever

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IMU Kalman Filter Software

Hi, I am a newbee and am looking for the software that implements the Kalman Filtering for the IMU. I have looked everywhere and can't find it. Can someone please direct me to where the Kalman Filtering implementation is? Thanks, Jon

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airspeed sensor not working

ive installed my airspeed indicator but when i tested it in console mode under test the data output i got was nanm/s and it didnt change when i try breathing in the tube

i checked that voltage is presant but im not sure how to check the analoge output

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