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Motor Arming...?

I am having problems with arming motors that is really weird. If I connect up the battery, motor 0 just beeps constantly, and nothing will arm (well the OP arms as the green light starts flashing)

If I connect up to the Configurator, with the battery

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Communicating with APM

Me, again - I think I am thickI have been trying to get this working - at present the following:1. Compiled and downloaded (34840 bytes) the stock standard RC1. Downloads 100%.2. Power up from USB, without any ESCs connected i.e. only the Receiver an

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no power to RX?

Hi Everyone,


I've just finished building my ArduCopter but on powering up i don't appear to have any power going to by RX (turnigy 9x8c) - i'm just tripple checking everything now but was wondering if there was something obvious i may have missed?

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New ArduCopter Kit

Well I have my new AC from Fahpah in the air. I would just like to make a few comments from my experience so far.


1. I got the full kit, and IMHO it is very good value for money. It is very well packaged and nice and compact in its box and logically p

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Can't get Mediatek and autopilot to talk

Good evening, I just got my system set up but I'm having a problem with the GPS.  I have the MediaTek MT3329 and I'm running Ardupilot 2.7.  The MediaTek appears to have a GPS lock (the blue light within a minute or so goes a solid blue).  The shield

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ArducopterNG usable ?

Hi !

 

My Quad  already flies with Arducopter_alpha_RC1 software, but without activating GPS nor magnetometer that are mounted on quad (but not supported by this SW release).

 

=> Do you know if ArduCopterNG is already capable to be installed to fly, eve

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Electromagnetic Interference

Hi everyone,
I have a quick question about placing capacitors right next to the ArduIMU. Because capacitors store their energy in a static electric field about the capacitor, would placing them next to the IMU potentially mess with the accelerometer'

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New copter

Honestly, I've never flow a rotor craft before, but I just got this thing in the air for a brief few seconds today.


It not all quite right yet, but damn close.

Got my hardware/motor kit on Friday.  Great packaging, good thought to the design.  Great fo

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Matlab 3D plot for interpolation

Hi guys


I have 4 sets of data
each set of data include 3 variables: voltage, throttle and thrust
how do i plot a 3D surface in matlab?

I've tried using [X,Y] = meshgrid(x,y)
but the problem is with meshgrid
you will need a function z in terms of x and y
for

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Beginner Questions...

Hi All,


I wanted to say that this has been a fun ride so far.  I've been able to research and figure out most of my problems by reading the forum and triple checking the instructions on the wiki.  

However, there are a few gaps in my understanding and

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Ardupilot after crash

how are you forum ? do you remember i had a crash a few weeks ago?

Last weekend i went to the flying field to test the airplane after the crash, redesigned the tail, and i had to make some testing with the motor washout and control surfaces moves.....

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Propeller style question


I have a 1000-gram custom-frame aluminum Arducopter and KDA20-22L motors. I have been using APC Slow Flyer Propellers 10 x 4.7. These work fine.

I also have a batch of EPP 10 x 45 propellers  that I'm thinking about trying. (These are the props specif

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