Friday, April 24, 2015

Micro FPV Update

In my penny-pinching quest to enter the world of quadcopters and FPV flying, I am slowly working into the hobby.

At this stage, I am attempting to build a micro FPV backpack for attaching to small quadcopters so that I can fly them via FPV.  Of course I don't own a pair of Fat Shark goggles yet... so I plan on using a temporary "base station" setup to use for my first flights.  Here is the basic wiring of the backpack (excluding the battery).


Including shipping, the parts cost are as follows:


  • 600 TVL Wide Angle 3.3v CCTV Camera ($18)
  • 3.3v Step-up/Step-Down Pololu Voltage Regulator ($9)
  • Boscam 200mw TX5823 Video Transmitter ($11)

Which is about $40.  But you have to have a receiver... 




and that will be about another $20.  If I use my TV to display the video, then the total cost is under $60.

My next step is to actually finish the backpack.  For this, I am waiting for the TX5823 to arrive in my mailbox.  Anyway, until it arrives... I could attempt to build a circularly-polarized transmitting antenna.  I also need to figure out how to mount all of the pieces onto some sort of platform.  It needs to be light, strong, thin and stiff.  I am also not sure if the camera should be somehow separate.  I'm sure the battery can be off-platform... because I may at some point use the main battery.

Of course the biggest concern is weight.  Then there is the issue of weight distribution.

Things to think about and investigate.

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