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bad motor causing video interference?

jlgaustin

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I have another post about battery, this is different.

I have a second quad, which I believe I have narrowed down to motors causing interference? This interference is like white bars running vertically up the screen.

Is it possible for a motor to cause interference?

My test - Betaflight 3.1 with props off, go to motors tab, slowly raise throttle on each motor independently until I see interference, on motors 1 and 3 I get the interference but on motors 2 and 4 image is clean.

Also I think motor 1 got some dirt in it, I tried to blow it out with canned air as best I could.

Is this likely the cause? Opinions? Other things to check?

I wonder if soft mounting the motors would get rid of it?

Thanks!
 

TraumaChaser

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Is not really the motors it's the amps running to your motors causing electrical interference. Just throw a filter on your pdb where your battery plugs in.
 

jlgaustin

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Is not really the motors it's the amps running to your motors causing electrical interference. Just throw a filter on your pdb where your battery plugs in.
Thanks for the reply. Something like this?

Amazon.com: Crazepony L-C Power Supply Filter 2A 16V Input Reverse Polarity Protection for FPV Racing Quadcopter: Toys & Games

Basically I just unsolder the the wires from the lipo plug on the PDB and insert this in-between?

Weird how this just started out of the clear blue, also I can't find anyone else having this issue with the Wizard x220.. :-/
 

TraumaChaser

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Yeah that will work but it doesn't go where your battery plugs in. Just make sure the filter you get matches what you need.

 

theGreenOrange

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If this issue popped up out of nowhere, you most likely have a solder joint or bare wire touching carbon fiber somewhere. I was just having this interference issue with a friend's micro quad after a mild crash. Close inspection revealed no damages, so i took off the top plate and looked around. I moved wires around to get a good look with nothing unusual spotted except a couple blades of grass. I put it back together and the issue was somehow gone. There must have been something touching the frame, although I never saw what it was.
 

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