Uploaded March 2025 | Updated September 2026, 3 weeks ago

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I receive a commission (at no extra cost to you) if you make a purchase after clicking one of the affiliate links below.

Buy the Analog Sub250g build kit at:
* GetFPV - bit.ly/43typyA
* RaceDayQuads - bit.ly/4itk09K

Buy the HD-Ready Sub250g build kit at:
* GetFPV - bit.ly/3DeMwgJ
* RaceDayQuads - bit.ly/3Fh9Jzl

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All videos in this series are in this playlist: youtube.com/watch?v=g26ASthCzvs&list=PLwoDb7WF6c8mEdPbe9yyCopFaoZL5K9f0

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00:00:00 - This is part of a series
00:01:06 - vTX wiring pinout
00:03:41 - FC wiring pinout
00:06:29 - Solder the vTX wires to the FC
00:08:03 - Attach the antenna to the vTX
00:09:21 - Route the camera wire under the FC
00:12:30 - A problem with the vTX mounting
00:15:40 - Mount the vTX
00:17:34 - Install the camera plates

Download the STL for the camera inserts here: thingiverse.com/thing:6976891

00:20:36 - Mount your camera upside down
00:21:15 - Install the camera
00:24:04 - Install the antenna
00:29:26 - Update the Walksnail Firmware
00:35:41 - Bind the Walksnail goggles to the vTX
00:36:36 - Ignore the "low voltage" warning
00:38:48 - Download and install Betaflight Configurator

Download and install Betaflight Configurator:
youtube.com/watch?v=LkBWRiEGKTI

00:39:33 - Set up the Walknsail OSD in Betaflight

set osd_canvas_width = 53
set osd_canvas_height = 20
save

00:41:23 - Move the Walksnail OSD position
00:41:57 - Configure Betaflight canvas size & load my OSD preset

My Betaflight OSD Preset is: pastebin.com/wSquhCxt

00:44:34 - Unlock the Walksnail goggles

Download the Walksnail unlock files at: bit.ly/3FbgN0x

00:45:50 - Set up your Walksnail system for best performance
00:51:14 - Recap