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Quad attack

Hi,

The day before yesterday, the weather condition were ideal for testing the autotune as I updated the firmware to 3.1.1.

After the flight, back to my workshop, I left the quad  on a table behind me.

In order to see the new PID, I didn't switch off th

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New LEGO drone

Thought I would share the latest LEGO design.

Design pattern that we call Digital Sky

Frame designed and created by Ed Scott, 3D parts designed and created by Nick M

Lightweight

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Small and simple to use FC.  

Top is removable for easy maintenance and repai

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nmea extension

now gps nmea library is support GPS mesages only

GP is Talker ID (GP for a GPS unit, GN for a GLONASS)
Mediatek 3333 & ublox lea 6 h support glonass system
as example mt 3333 after gps and glonass fixed output mesages changes
from $GPRMC to $GNRMC and

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Feature Request: Auto Save Waypoint

I posted this in the APM support forum as well, but I don't know if that was the right place, so:

APM 2.5 is my best FC up to now. But when you get a lot of features, you simply want more ;-) 

When I fly and want to record WP's, I flip CH7 at a momenta

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Play in motor casing

While tuning my hex one of the carbon props clipped a bit of wood on the test bench. 

Oddly enough there was absolutely no damage to the 14 inch carbon prop whatsoever, but when I rotate the can of the motor off axis I can now feel a little bit of pla

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Uncommanded roll

Yesterday I flew my APM controlled quad for the first time in a couple of weeks. I lifted off in stabilise and shifted to alt hold at about 3 metres. After a second or so, without me asking it to the quad did a 360 degree barrel roll and fell a coupl

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arducopter compass gain

i have tests of apm 2.5.2 with disabled compass

internal gyro only works better than "gyro + compass"

with compass + gyro if i do fast rotation at 180deg. i see in mission planner another angle, after 5-10 seconds this error slowly fixed (gyro correcte

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