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I2C connection

I am in the process of changing my ESC's from ppm to I2C (I have modified 4-30A Turnigy's). 


Do I need to add some pull-ups to the I2C lines from the oilpan or are they fitted already?

Peter

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Battery

hello people. I'm still a beginner n building planes could u plz help me out with batteries.I need to know what 20C or 30C in a LiPo battery mean.., Please suggest me which is the best one to go with.

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Photo & GPS synchronization

Hello!

 I´m looking for a simple way to synchronize the GPS logger and the camera. I´ve read about synchronize the camera clock with the GPS clock but I think, that this is very tiresome, because toy have to syncro all every fly.
  Is there any possibi

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All done!!!

Ahhh finally done here she is all built up.... My bird Ver. 1.0 =))


All my parts.



This is how I distribute power I stack a couple of these guys. I grooved out the edge of my tray frames to run the wires around.


Completed frame.


 And here she is all stuf

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Arducopter + Xbee/Zigbee

Hello,


I was wondering if anyone tried to build a remote control that uses an Xbee[1] instead of Radio Frequency to send movement commands to the Arducopter. Me and two friends are interested in building one, could some one point us in the right direc

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Is my ESC not compatible?

I'm using a thunderbird 18 amp ESC with a dx6 with ar6000 receiver. 


 When I throttle down yaw right nothing happens.(i held it for more than 2 seconds) The esc goes into some sort of programing mode when i retry it. When I Yaw left then the back moto

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ArduCopter pre-orders

Hi everyone,


I was excited to see the pre-orders up and while i was making sure i'd got my radio gear and everything ready to go the pre-orders were taken down again, so i missed my chance :(  do you know when you will be taking orders again? Has the

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Did I blow my outputs?

Hello,

 

I got to the point in my first quad arducopter build where  it came time to load the code, exciting!

With everything connected, (including ESCs) I proceeded to power up the board via USB.

The dim LED struck me as kind of odd, but at this point I

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MediateK GPS power supply problem

Hello Everybody !

 

not very lucky this week :

 

I have just received my brandt new GPS Mediatek 3329.

I have soldered it on its dedicated board (the one with battery)

 

- tested with FTDI 3.3V : no problem. It has perfectly worked. I have updated its firmw

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Questions about my project.

Hello, i am new at DIY Drones, i have been mostly active on rcgroups FPV forum,

 

I am currently working on my Twinstar II project,it is working great with the current gear but i want a simple RTL system.

 

Here is what i have.

 

Twinstar II Brushless.

Turn

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UK ArduCopter parts advice

Hello.

This is my first venture in RC so have doing quite a bit of reading on the boards. I'd like to purchase most of my 'copter components from the UK to avoid import tax and duty and was wondering what people thought of the below setup:

Items a

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Power supply for battery charger

Ok I am sure this is a total noob question, but I would appriciate some advise.

 

I bought a Turnigy Li-Po Battery Charger and I noticed the product page says that the power supply is not included.  I assume this means that thoes nice little aligator c

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