The DIY FPV diversity receiver on the bench
If you want a really cheap 4-way diversity controller for FPV with RC planes then this project will do the job nicely.
In this video I show you the unit working on the bench, actually switching between a commercial RC305 FPV receiver and my own DIY FPV receiver as the signal strength changes due to reflections when I move my hands near the antennas.
Unfortunately I made a small error in the PC board layout so I'm etching up a new one and that will be published shortly on the RCModelReviews website.
With the 5-turn helical antenna it's easy to get over 2KMs range with the 200mW 5.8GHz FPV backpack and using the diversity you can arrange multiple antennas to cover a wide sweep so as to enjoy the benefits of these hi-gain antennas without the risk of losing signal if you fly "out of the beam".
Full constructional webpages and videos being edited up now for the FPV backpack, the DIY receiver and the DIY diversity board.
Stay tuned.
In this video I show you the unit working on the bench, actually switching between a commercial RC305 FPV receiver and my own DIY FPV receiver as the signal strength changes due to reflections when I move my hands near the antennas.
Unfortunately I made a small error in the PC board layout so I'm etching up a new one and that will be published shortly on the RCModelReviews website.
With the 5-turn helical antenna it's easy to get over 2KMs range with the 200mW 5.8GHz FPV backpack and using the diversity you can arrange multiple antennas to cover a wide sweep so as to enjoy the benefits of these hi-gain antennas without the risk of losing signal if you fly "out of the beam".
Full constructional webpages and videos being edited up now for the FPV backpack, the DIY receiver and the DIY diversity board.
Stay tuned.
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