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Nik Navish
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 · МоскваРоссия
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Wi fi has a very small range, but using gsm module can be controlled drone, even with voice commands. I’m doing a similar control system for UAV (aircraft). I deliberately embedded error in the control system that is automatically corrected, so you can simplify the drone program management and self management. Wi fi will need to use for precise landing and take-off. Think about it.

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Anton Voltchok
Software Engineer & Design Lead at Collaborizm
 · New YorkU.S.
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Nik Navish that’s a bit silly to say it’s not effective when we both don’t really know the use case, it all depends on what purpose you are building a quadcopter for. If you need it to deliver something very long range and have complete automation for example your suggestion works great, but if you want to for example do some racing with the quadcopter mid-to-long range or throw the flight controller in acro/rate mode to have some fun and get adrenaline pumping then GPRS is not going to work at all here.

He said he specifically wanted a controller and a video feed, so what I’m suggesting is based off what I know so far. This leads me to ask, Shayaike Salvy , can you clear up the use case for the quadcopter you are building, quads are used for so many things these days and come in infinite configurations, if we knew exactly what this was being built for, our suggestions would be a lot more effective.

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Harsha Alva
Mechanical Engineer + Software Dev
 · MangaluruIndia
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Anton Voltchok How about separate XBee channels for RC and video Tx? I don’t think that GPRS has enough bandwidth for video.

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Harsha Alva
Mechanical Engineer + Software Dev
 · MangaluruIndia
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IMHO, those generic Chinese ESCs aren’t very good. Go for Emax ones if possible.

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Nik Navish
invent
 · МоскваРоссия
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Anton Voltchok we are talking about unmanned aircraft. use 2.4 GHz there is no need because it is unstable and has many limitations. 5.8 GHz has the same problem. it’s still inefficient. the robot doesn’t need it. the camera needs to use a landline, which gives you 4K quality. for races of robots, this system is better. I’m talking about the UAV. I’m not talking about manual control.

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Anton Voltchok
Software Engineer & Design Lead at Collaborizm
 · New YorkU.S.
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Nik Navish I’m not sure you understand the purpose of what Shayaike Salvy wnats to do with the project / is asking about. He specifically stated he wants to have:

  • Controller
  • Live video to use while flying

What you are suggesting is an entirely different application for a quadcopter, I think you might be getting confused about language/terminology here. These days “drone” no longer means using GPS to get from point A to B autonomously, as in UAV, the term “drone” now just seems to refer to any type of tri-copter / quadcopter / hexacopter / octocopter. People refer to drones when talking about a cheap toy $15 tiny quadcopter that fits in the palm of your hand and can’t fly any more than 15 meters away, and then other people refer to drone as UAV which deliver goods on a prepared flight plan.

For this project, we are not talking about autonomous GPS point A to B to C flight plan, I think that’s pretty clear from what the project leader said so far.

So now that is cleared up, I would be very curious to know where you’ve seen people do drone racing using GPRS, because to me in the racing application, GPRS would lead to a ridiculous amount of crashes and I’m not even sure a real time live video feed is even possible with it, as Harsha Alva mentioned the issue with the lack of bandwidth.

Check this video out , might help clear things up:

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Nik Navish
invent
 · МоскваРоссия
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I think you’re right. there was a confusion with the translation. I just realized the term UAV. if this project is about ordinary quadrocopter, then I have nothing to say. however, let me just note that I don’t mean sending video on channel GPRS, it is used to control the aircraft using a smartphone, if you suddenly need to change the flight. it’s kind of Facebook - a massive flying machine. and race flying robots would have a different view. Anton Voltchok thank you for explaining me the meaning of the words of the UAV in this place.

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