Overview: Walksnail Goggle X Extension Module for Analog FPV and Head Monitoring


The Walksnail Goggles X don’t include built-in head monitoring, which is why Walksnail created an extension module. This module additionally doubles as an analog receiver bay. Whereas it really works as meant, it’s not fairly as refined as I had anticipated. On this put up, I’ll clarify what the Goggles X Extension Module does, stroll you thru the set up course of, and share a few of the challenges I confronted utilizing it.

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You will discover my full evaluate of the Walksnail Goggles X right here: https://oscarliang.com/walksnail-avatar-goggles-x/

The place to Purchase

You should purchase the Goggles X Extension Module from:

Moreover, should you want a 4-pin to 5-pin headphone jack cable, you may get it right here: https://oscarliang.com/product-mtug

Walknsnail Goggles X Extension Module Unbox Accessories Cables

What Does the Goggles X Extension Module Do?

The Goggles X Extension Module affords two main advantages:

  1. Head Monitoring Help for Caddx GM Gimbals (GM1, GM2, GM3).
  2. Analog Receiver Bay for flying with analog FPV system utilizing the Goggles X.

If you happen to don’t plan to make use of head monitoring or fly with an analog system, you don’t want this product. Nonetheless, I consider Caddx is providing this module to present Goggles X customers without cost (earlier than Mar 2025), so that you may as effectively get it, as a result of why not? 🙂

How you can Set up the Extension Module

The set up course of is straightforward.

Use the included clear double-sided tape to connect the module to the highest of the Goggles X, making certain the white connectors face ahead.

Walknsnail Goggles X Extension Module Install Close Up Left

Walknsnail Goggles X Extension Module Install Close Up Right

Walknsnail Goggles X Extension Module Install Close Up Front

Join the ability cable—shorter finish into the goggles, longer finish into the module. The module may be powered by a 2S to 6S battery, utilizing the identical battery because the goggles because of the included energy splitter.

Walknsnail Goggles X Extension Module Cables Connection

Join the 4-pin to 5-pin 3.5mm audio jack cable (5-pin to goggles, 4-pin to module’s “To Goggles X” gap).

I didn’t obtain this cable with both the goggles or the module, however I managed to get the analog receiver working with a 4-pin to 4-pin cable by barely loosening the tip that connects to the module. Nonetheless, this workaround doesn’t appear to work for head monitoring, so I must get the fitting cable till I can take a look at head monitoring. You will get the fitting cable right here: https://oscarliang.com/product-mtug

Walknsnail Goggles X Extension Module Cables Connections

Walknsnail Goggles X Extension Module Wiring Pinout Diagram Dimensions

How you can Use the Analog Receiver Module

You probably have an analog receiver module, plug it into the highest of the extension module. There are two rows of pin sockets for various receiver sizes, use any row you want.

Walknsnail Goggles X Extension Module Install Close Up Top

Walknsnail Goggles X Extension Module Analog Video Receiver Install

Walknsnail Goggles X Extension Module Analog Video Receiver Install Cables

To enter AV mode, maintain the return button for five seconds. The Goggles X will now obtain an analog sign. Maintain the return button for one more 5 seconds will change to HDMI mode, and do it once more returns to the Walksnail house display.

How you can Use Head Monitoring

Earlier than utilizing head monitoring, replace the Goggles X and Walksnail video transmitter to the newest firmware (38.43.4 or newer).

  1. Within the goggles menu, go to Head Monitoring and choose PTZ.
  2. Exit the menu, and the gimbal ought to comply with the motion of the goggles.
  3. Fast press the return button thrice to reset the gimbal’s place.

Caddxfpv Camera Gimbals Gm1 Gm2 Gm3 Walksnail Goggles Menu Head Tracking Enable Settings

Caddxfpv Camera Gimbals Gm3 Connect Walksnail Vtx

For extra on Caddx GM gimbals, try my evaluate: https://oscarliang.com/caddxfpv-camera-gimbals/

Firmware Replace

The extension module runs its personal firmware and requires a particular cable for updates, which is bought individually. Just like the GM gimbals, this cable is just not included, which I discover puzzling. It’s a reasonable merchandise that would simply have been bundled with the extension board. However ideally, the module ought to have had an built-in USB-C port for firmware updates—maybe an oversight that makes the method extra cumbersome than crucial.

Hyperlink to replace cable to be added later, as I can’t discover its product web page on the time of publishing.

Walknsnail Goggles X Extension Module Upgrade Firmware Cables Adapter

Walknsnail Goggles X Extension Module Upgrade Firmware Cables Adapter Connect

Walknsnail Goggles X Extension Module Upgrade Firmware Cables Adapter Connection Wiring Program

Limitations

Design and Person Expertise

When Walksnail introduced this module, I anticipated a extra subtle resolution, maybe one which required taking aside the goggles and changing a board. Nonetheless, the set up turned out to be a lot easier—simply stick a field on prime of the goggles and join a couple of cables. Whereas straightforward, it does look cumbersome and considerably unpolished.

There’s no Walksnail brand on the module, and the design feels clunky with the uncovered, dangling cables. Moreover, the module runs its personal firmware, which have to be up to date utilizing a generic, unpolished program. To make issues worse, the replace cable isn’t included and needs to be bought individually, including to the frustration.

Nonetheless, the set up is straightforward and it really works as meant, which is what issues for non-technical customers.

Analog

When utilizing the analog receiver, the Goggles X shows static (snow) when the sign is misplaced, slightly than a blue display, which is what we would like. Nonetheless, there’s added latency in comparison with devoted analog FPV goggles just like the SKY04X Professional. This additional delay is as a result of video sign conversion inside the Goggles X, however it’s minimal (a couple of milliseconds), so that you won’t discover it in actual life. Different digital goggles just like the HDZero goggles even have this problem so it’s not unique to the Goggles X.

One main draw back with the Goggles X is that the DVR doesn’t work in analog AV In mode, that means you’ll be able to’t report your analog flights. Moreover, there’s no cowl for the receiver module, leaving it susceptible to coming unfastened—particularly with heavy directional antennas mounted on prime. I might have favored to see a safer design much like the module bay in Fatshark goggles, like I did in my DIY FPV monitor: https://oscarliang.com/diy-fpv-display-fatshark-module/.

Walknsnail Goggles X Extension Module Analog Video Receiver Install Antennas

Moreover, I discovered the 4-pin to 5-pin headphone jack cable was lacking. It’s mentioned to be included with the Goggles X, however mine didn’t include it, presumably a case of earlier manufacturing batches. You should purchase the cable straight from Caddx, however it’s doesn’t appear to be available elsewhere.

Conclusion

Whereas the Walksnail Goggles X Extension Module fills the hole for head monitoring and analog help, it has room for enchancment by way of design and person expertise. For a premium product just like the Goggles X, this extension module feels  like an afterthought—a fast repair slightly than a completely built-in improve. Hopefully, future variations of the Goggles X can have these promised options built-in.

You should purchase the Goggles X Extension Module from:

That mentioned, the extension module is straightforward to put in, requiring no disassembly—simply plug in a couple of cables. If DVR help for analog is vital to you, I’d nonetheless suggest the SKY04X Professional goggles for analog use. Nonetheless, for Walksnail customers, this extension module affords a handy technique to fly analog without having one other set of goggles.

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