ArduCopter User Group

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Pixhawk internal compass interference: is it an issue or not?

Started by DG. Last reply by Thomas J Coyle III 9 minutes ago. 3 Replies

I'm currently building an Alien 680 Frame and looking around for ideas on mounting the ESC's, FC etc., I noticed several using xHawks and they mount it inside the frame with the power wires…Continue

A worrying failed test ...

Started by Simon Gibson-Poole. Last reply by Simon Gibson-Poole yesterday. 2 Replies

Hi All,Running a little survey last thursday looking for some Giant Hogweed and seemingly all went well with the flights (running a Vulcan Octocopter using Pixhawk with arducopter 3.2.1).  However on…Continue

How to set up Flight Mode?

Started by Lucs. Last reply by joel bessa on Friday. 8 Replies

Hi everyoneI am trying to use my Hitec Eclipse 7 transmitter (in aircraft mode) with the APM 2.5 so that I can set the APM flight modes (e.g.: loiter, alt hold, etc) using the 3-way "flt. mode"…Continue

Motors not spinning at low throttle

Started by Rayleigh. Last reply by Rayleigh on Tuesday. 11 Replies

Hi, guysI am having this problem when building my quadcopter. Three motors don't spin until throttle reaches 16% of full throttle. Only one of them is working fine. But once they are all spinning, it…Continue

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Comment by dr0n3droid on April 10, 2014 at 4:05pm
@António I feel your pain.
I busted another PM yesterday in a rover crash. That's two now. If I break 3 more it might be worthwhile to fix them. I found the part I need.

$6.77 seems reasonable, but $48 for shipping? Something is wrong with the system.
Comment by Aeropixel on April 10, 2014 at 3:41pm

@dr0n3droid Thanks again.
I'm starting to consider this option, attopilot+voltage regulator, for I'm frustrated in trying to buy a PM in europe, instead of trying to go for the higher voltage LiPos. It's the third attempt in buying one PM, and 2 were clones without the voltage regulator, and another went missing in the mail. Most of the best stores in here have it out of stock. I dunno why.

I'm feeling I'm being forced to buy it directly from 3DR, or try this new/old approach. In the while it's been week that my hexa is grounded. :-(


Comment by dr0n3droid on April 10, 2014 at 3:32pm
This is what I used before 3DR started making the PM.

Check your LHS.

Comment by Aeropixel on April 10, 2014 at 3:13pm

@dr0n3droid Thank you for the speedy response.
Would you be kind to show me/us a link to one of those kind of regulators? Just as as an example. Perhaps it might be simpler to get one than I though.

Thank you again in advance.

Comment by dr0n3droid on April 10, 2014 at 2:54pm

Attopilot is for measurement only. What's missing is a voltage regulator to give you +5v for APM.
Comment by Aeropixel on April 10, 2014 at 2:35pm

Can a Attopilot fully substitute a power module in giving power to an APM 2.5 and sending voltage and current readings to be sent by the telemetry? If not, what part is missing to make it complete? THanks

Comment by Rafael Ortega Muñoz on April 10, 2014 at 3:16am

Surely had some stored waypoints and pulsastes the auto mode or you accidentally put the throttle and reverse mode

Comment by mohamed elgreatly on March 27, 2014 at 8:47am

please any one help me...  i have arducopter 2.6 and motors 919 rpm 4s and i use battery 6s 4200 mah ....And I cant use joystic on mission planner and i have telemetry 915 Mhz (TX,RX) ......any one can help me in solve this problem?????

Comment by NullVoxPopuli on March 21, 2014 at 10:50am

Does anyone here use VTails with the APM?

Comment by Ashik imran on March 18, 2014 at 9:37pm

i have only one small request for every one, may i get C language programe code for the KKmulticopter V4 circuit provided by Jean-Louis. i will be very thankfull.......please help me.


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