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Double quadrotor in AirSim

I am working on a project that uses two or more quadrotors flying in chain-like formation, one following another.  My questions is How to create more quadrotors within the same level in AirSim? How to use the APIs to control each quadrotor separately

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How to test a new propeller?

Hi, I calculated a propeller that is very much like the one by da Vinci, except it has the airfoils of hummingbirds. I own a little quadricopter of mine and would like to try the propeller out. The problem arouse when I contaced shapeways, since they

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Pixhawk or Pixhawk 2.1

Hi, I am trying to work on a good autonomous drone to build and at first I wanted to use the pixhawk 2 except its very expensive. What are the upgrades from the pixhawk to the pixhawk 2 that would make it worth 200 dollars more. Should I go with the

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Two GCP

Hii Guys :

         is it possible to use two GCP at the diffrent places for an aircraft? first point will be take off and main control point , secondly point take place 10 km over the main point, the aircraft should be land second point then take off

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Quadcopter wont lift off the ground.

Specs:
450 frame
3506 360kv motors
Pixhawk 2
10*4.5 propellors
2200mah 3S 25C wolfpack battery
20 amp wolfpack ESC
Avionics RCB 6i TxRx-6 channel

This is my first build. I bought these motors thinking low KV will give me lots of thrust and longer flight time

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Arduino Nano to APM2.6

Hello everyone, first post here.

I am trying to control the FlightModes with Arduino using a potentiometer by giving a PWM signal to CH5 of the APM2.6 @488 Hz. So it works fine up to here. Here is the simple Code

void setup()
{

TCCR1B = TCCR1B & 0b11111

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GPS Fail during Failsafe RTL

Good morning everyone.

I had a problem at the GPS during a flight near my home, I passed under high voltage cables and bumped a cable with the wing of my Bix3.

Right after my Frsky X7 started playing for low RSSI.
The APM went first in Failsafe Short (

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Tarot 680 motor choice

Hi all

I'm building a Tarot 680 with only a GoPro/ 3way gimbal and possibly a 6s battery (for flight time). 

I just can't decide on motors for it as I've been told anything from 700kv to 880kv with 40 amp esc's.

Could anyone out here lend some advice?

I'

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maxbotix mb1242 and mb 1202

Goop day to all developeders, im having issues about my sonars mb 1202 and 1202, i need help to solve this issue. My flight controlles are pixhawk and the other one pixfalcon. I hope somebody can help me fix thede issues

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PX4 WiFi telemetry

Has anyone been able to connect directly from their ground station to a px4 through WiFi without the use of a raspberry pi? i have a 3DR wifi telemetry and currently im able to connect through mission planner and gather attitude data but qgroundcontr

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