I am new to drones, Pi's, and Python, but I have experience with Arduino and I have been researching this project for about 2 months.
My idea is to use a PXFmini shield on a Pi and control it using a simple PPM RC remote connection. I then desire to attach a PiCamera to the Pi, and have it provide live feedback to an Android smart phone thus making the drone FPV capable.
I, like many, came across Erle Robotics from the FPV250 DIY instructions in link 1.
The problem with those instructions, is that the developer used RC to control it and didn't go into any details in the FPV aspect. For all intents and purposes, the drone in link 1 is not FPV.
I hope to combine the simplicity of the build in the FPV250 link, with information I found in link 2, which makes providing FRV feedback to a smartphone using the PiCamera seem fairly straight forward.
So now on to my questions:
1) From both of the links above there are two different debian images that need to be flashed. One, to enable the PXFmini, and the second to enable the PiCamera to be compatible with the Raspberry Pi camera viewer app in link 2. Is this possible? Like I said, my experience with Arduino (which I know is different) is that you flash one thing at a time. I know the Pi is much more powerful, so will these two debian images to run simultaneously without interference?
2) Most on here seem to find the Pi0 sufficiently powerful for a simple drone. Would it be better to use a more powerful Pi if I am to use the PiCamera to provide instant FPV feedback? I have a Pi 3, would that be overkill?
3) What is a good RC receiver/controller set-up on a budget that would work well with the project I am describing? What have you guys used? I am looking at the Fly Sky FS-i6, but how do I know if it is PPM compatible?
Thanks for any and all answers, suggestions, and tips!