MFG CrossWind mount for USB Hub
thingiverse
If you have your Crosswind pedals mounted using the main 4 holes and are not using the two holes in back on either side for anything, this would let you mount a USB hub there. In particular this mount fits the following USB hub. https://www.amazon.com/gp/product/B072TW79NY I've had good luck with this hub. It does have a momentary on/off button that you have to press to power it up. I keep a separate USB hub for the flight controls on my rig because some flight software like SW Squadrons gets confused if you have more than 3 USB devices connected. DCS on the other hand seems happy with any number of devices.
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