In the V2 i changed something that it is Stronger.
You have to use exactly this USB Plug. Otherwise it wont Fit.
For Mounting you have to use a M5x12 Screw and a T-Nut. (Photo)
https://de.aliexpress.com/item/32953538657.html?spm=a2g0o.productlist.0.0.24436e76a1YB5O&algo_pvid=01dc0a21-4082-42d3-8fd2-02fa656260d2&algo_expid=01dc0a21-4082-42d3-8fd2-02fa656260d2-0&btsid=61d8df24-7358-4f41-a5e9-8197a74375d1&ws_ab_test=searchweb0_0,searchweb201602_10,searchweb201603_53
The author hasn't provided the model origin yet.