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Using the expansion pins in apm1

tried to add
pot1_analog_source = hal.analogin->channel(AN6);
pot2_analog_source = hal.analogin->channel(AN7);

and then use
pot1_analog_source->set_pin(AN6);
pot1_analog_source->read_average();

pot2_analog_source->set_pin(AN7);
pot2_analog_source->read_aver

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300km

Airspeed varies by up to 50km/hr

Hi, I've just had a flight where my airspeed was way out, it was as much as 15m/s or 50km/hr less than the groundspeed on a very calm day.

Can anyone help me work out if it is a leak, a sensor error, or something else?

On my second flight of the day I

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connect to terminal

Hi all,

I have mp 1.2.70.I go to item terminal.In my version before I saw immediately a cli sign >

Now it telsl I have to connect.I click the button connect apm.

I get a flow of characters that doesn't stop!

After 10 minutes it still flows.

To stop it I'v

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APM 2.5 Twitching problem

Hi,

I have some serious problems with my 3DR Quadcopter with APM 2.5 and 3.0.1 firmware.

When I fly, the Quadcopter is twitching about ones every couple minutes in one direction. Forward, backwards, left right and even upwards. Also sometimes the signa

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Altitude

I know this has been raised before but I have been unable to refind the answer. What altitude units are used in the Mission Planner and is it possible to change the units. I read that the default altitude is metres. Is that correct - can it be change

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pb geofence on 2.9

hi everyone,
I'm trying to experiment geofence on arducopter 2.9, but i can't activate it in the flight planner, the writing is always grey.
I have tried to activate the "lim_" command in the parameters list but it seems to do nothing !
Do i miss someth

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In-flight lockup and reset?

I recently built a new X8 Skywalker and took it out for its maiden flight today. It has a APM 2.6 with the uBlox LEA-6 with compass GPS that was used on a previous X8 Skywalker with quite a bit of success. Almost everything stayed the same between th

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