Cleanflight/Betaflight serial passthrough mode to configure external OSD

The BLHei passthrough mode with cleanflight/betaflight is super useful when it comes to configuring your ESC’s and updating the ESC firmware but not everyone knows that this concept is also extendable to other hardware such as your OSD.

That means that if you need to change the ssettings on your OSD or update hte firwmare you dont need to dismantle your quad to access the OSD, you simply need to enable serial passthrough within cleanflight/betaflight.

The only thing is that for now you need to do this via the CLI, fortunately Chris made a quick little tutorial video on how do do this: