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Sep 22, 2021, 09:11 AM
Master Crasher!
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Discussion

Flywoo Goku GN413S and VTX625 stack LED's?


I ordered the Flywoo Goku GN413S and VTX625 stack partly because of the on board LED's, now I'm trying to figure out how to wire the LED's in the stack.

Has anyone had experience with this stack and know how to wire them to get all the LED's to light?

I sent an email to Flywoo asking them to identify the 5 unidentified solder pads on the bottom of the VTX. See attached pic.

If you have used this stack, I'd love pics of the build to help me with how to wire the stack neatly.

Thanks!
Last edited by SunsetMan; Sep 24, 2021 at 06:39 PM.
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Sep 23, 2021, 11:36 AM
Master Crasher!
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Update so far, Flywoo says the circled pads in the above attached pic are for testing purposes only.

No extra info on how to wire, just another link to their standard diagram.

And one inscrutable bit of information, "Vtx625 has eliminated the LED". I'll see what the VTX looks like when I get it I guess. LOL.
Sep 23, 2021, 07:05 PM
Registered User
VTX625 has 5 pads. Top one is LED.
VTX625 V2 has 4 pads. They removed LED feature.

Also.. my VTX625 LED burned in puff of smoke, and both GN413S died.

Maybe they finally fixed these issues. Make sure you have newest version and not old inventory.
Sep 23, 2021, 07:09 PM
Registered User
Cant replace FET when it burns traces on PCB
Sep 23, 2021, 07:21 PM
Master Crasher!
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Thanks romangpro. Did Flywoo take the LED pad off and leave the LED's on, but you can't use them?

Edit to add: What kind/s of builds did you have the GN413S's on that fried and under what conditions did they fry?
Last edited by SunsetMan; Sep 23, 2021 at 09:51 PM.
Sep 24, 2021, 03:35 AM
Registered User
Build..
Xing1404 4".. kinda pushing it since its max 15A.
Sep 24, 2021, 08:32 AM
Enjoying every minute of it...
See arrow in pic, try there?

Have a good low esr cap on the fc power lead mount? Like he said, you don't wanna draw too much amps but with cap and light-ish load you should be ok.
Sep 24, 2021, 11:15 AM
Master Crasher!
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Thanks grnd flyr. I guess I don't have to worry about the VTX LED's if they took them out.

I haven't received the Flywoo stack yet.

https://www.getfpv.com/flywoo-goku-g...625-stack.html

The GN413S flight controller should come with a 220f 25v capacitor, I think.

I wanted this flight controller for the LED's and blackbox. The VTX seems good enough and the pads are coordinated with the FC so I purchased the stack. And, it was in stock. LOL.

I'll be building a 3S toothpick with 1303 5000kv motors.


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