Looking for quad platform recommendation, Senior project

8bitbanger

New Member
Hi Folks -

Our group is looking for a platform to build our EE senior design project on. Our biggest constraint is cost, as it must be under the $200 mark; lower cost the better of course,

None of us are experienced with quad-rotor copters, or RC flight in general, so we are looking for a kit that can provide semi-RTF (frame, motors, rotors, etc) as well as a basic controller(as small as possible) that allows for:
1)basic high level control of motors (as in either us provide waypoint, or move this direction this distance at this speed, etc)
2)return to home/safe land functionality (so GPS minimal) would be nice, but I guess if we can monitor battery and provide waypoints, we could always embed this functionality into our control system
3)an open/accessible hardware/software interface that can allows us to provide the mentioned on-the-fly waypoints, access to the GPS data, etc. This will be for sake of argument autonomous, thought we will likely have some sort of emergency/failsafe RF link.

I see that there is an interface called MAVLink, but it's not immediately clear if this will cover all the onboard communication we desire.

The other big requirement is that the frame must be big/open enough to attaching (even if only temporarily) an embedded platform (Rasberry pi, beaglebone, etc) along with perhaps another 5x5" sized board on top. This will eventually be all combined into a single board, but for testing...

My best guess with the above boards and an auxiliary battery is maybe 2lbs/1kilo or so.

Flight time is not a huge concern, as this is for proof-of-concept, but minimum 6-7+ minutes.

Any thoughts? Thank you for any suggestions! We're very excited to get started, and will certainly give more fun details once we get going!

Best,
James
 
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Here's a good site that'll give you a good idea what goes into building your own quad. As you can see, $200 just isn't within reach but I'd say you could build something to meet your need in the $300 range if you cut a few corners. For example, they're figuring in 99 for a flight controller, you can find one that's GPS capable for a lot less. But then of course, you'd have to buy a GPS module......
 
Cool thanks; Reno what's the cheapest, smallest flight controller you know of that simply provides basic waypoint control, either with integrated or add-on GPS? We need something that we can communicate digitally to onboard. The 3DR PixHawk seems perfect, but $$ (and out of stock)
 
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