Quadcopters (906)

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A design doubt in drone

I am a newbie in drone making, I plan on making a drone, using co-axial motors( basically I am sticking two motors to each other in opposit…

Started by Srikar

4 Aug 7
Reply by Nicholas Witham

Impossible to get 1 hour flight with current technology?

I've been reading about Micro Drones claim of 1 hour flight and I have been pouring over some numbers trying to figure out if this is possi…

Started by Roger Larsen

117 Aug 3
Reply by John Gibson

cheerson cx 20 bigshark gps take off problem

hello everyone.. can anyone help e .. with this  problem.. i just bought a cheerson cx 20 bigshark edition i cannot take off in gps hold..…

Started by starmike

9 Aug 3
Reply by Jun kyung Bang

Using only one Hall sensor for 3 phase BLDC

dear my friends Is it possible to use only one Hall sensor to determine the position of rotor in BLDC? I thought that maybe it's possible t…

Started by jhon

0 Aug 1

Fully Autonomous Quadrotor for indoor flight

I have an interest in developing a fully autonomous quadrotor robot specifically for indoor flight. I am an engineer (what I do in my day j…

Started by Ryan

8 Jul 25
Reply by Marvelmind Robotics

Pixhawk PX4 with x4rsb/XSR and QX7

So I have tried for a WEEK now to get my new Pixhawk to work with my new X4RSB and my QX7. The Pixhawk is setting up fine via USB but I am…

Started by D

0 Jul 24

I have a RunCam Split to give away - RunCam Split giveaway!

Started by Mac Tac

0 Jul 24

I have a RunCam Split to give away - RunCam Split giveaway!

Started by Mac Tac

0 Jul 24


So, I setup my very first quad and plugged everything together. so that it would be Hovertest ready. Or at least I thought it was ready. I…

Started by Consti

0 Jul 23


hello, i tried  the usb connection.. but only s8 assistant  v1.2.1 the sees the quad.. and does not have the option to upgrade firmware..th…

Started by starmike

0 Jul 22


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