Thursday, January 14, 2016

Building a multicopter part 2

In the last part I built a quadcopter that would work for LOS flying. In this I am going to document my addition of the FPV gear to that frame.

Parts list:

Camera - Runcam PZ0420 (with case, whoops)
Transmitter - Boscam ts832 (would buy a smaller one next time)
OSD - MinimOSD (not the kvmod version, whoops again)
Antennas - FatShark RHCP


FPV install

Here's the gear laid out


Some of these parts go on the quad. The rest is for the ground station.


Transmitter stuff plugged together.


Transmitter stuff and receiver plugged together. It's all working. Now to figure out how to lay it out on the frame.


This pic is kind of bad but so is my layout. I am not entirely sure how to make it all fit in such a way that I can also get to the rx/tx pins on the naze. I had the receiver in a spot where it would block any servo connector connected to the pin headers. I had to move the receiver forward.


It's kind of hard to tell here but there are 2 pins soldered on to the tx/rx pins on the naze. This will send information about the gyros, accelerometers, compass and mode to the OSD.


You can see here the receiver is attached to the top plate right under where the vibration dampeners are. It's attached both with double sided sticky tape and a zip tie.


The OSD is programmed up. and installed with double sided tape attached right to the video tx. I also have a post about how to program the minimOSD if you want to check it out. My camera, OSD, and vtx can all run on 12v so that's how it connects. This has the benefit of allowing the OSD direct access to the battery voltage for display. I don't need to connect up the voltage sense pins on the naze.


Here it is, I think, completed. The camera was attached to the front. I was dumb and accidentally bought a camera with the case which doesn't fit inside the frame. On the up side it will probably not break as easily as the bare board ones do.

I attached it with a zip tie underneath the lens and some double sided tape from the case to the top plate of the frame. It seems unlikely to move on its own. Though it is right out in front, in a perfect place to take the brunt of an impact. We'll see how it works.


As a bonus here's my goggles. I ordered the Quanum V2 from hobbyking in Hong Kong expecting it to take a month or so to arrive but somehow they got here in one day.




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