What's an ExpressLRS Backpack? Taking a look at the HappyModel EP82. Supplied by YourFPV

The ExpressLRS Backpack has popped up a few times recently with a few radios and modules containing them... but what can you use them for. Well with a backpack-equipped goggle module you can use it to sync your video channel changes together. Let's investigate how it all goes together.

IMPORTANT UPDATE: rx5808 based modules as made by Eachine, realacc et all aren't going to work, you actually need a bare rx5808 module (essentially with no OLED or firmware to speak of) for this to work. The problem being (aside from the physical wiring) that the different firmware use prevent the devs from supporting all of them. Many thanks to Jye Smith for clarifying this.

As mentioned, this EP82 was kindly supplied by YouFPV, so please check out their website here https://yourfpv.co.uk/product/happymo... for more details on the product.

I also mentioned several bits of documentation in this video. An important one is your start point for understanding the wiring needed depending on your goggles/module https://www.expresslrs.org/2.0/hardwa... although what it doesn't mention there, is that the pin ordering of the RX5808 modules is the same as RapidFIRE.

There's also the guide to unbricking your receiver here https://www.expresslrs.org/2.0/quick-... that came in very useful for me :)

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