We're working on some firmware changes that allow VEMS v3.x => round data transfer.

AfreshTiny/AimDisplay (in WebShop: [1])

Actually, standard round can also display AIM (with sufficient recent firmware), but the display-only is cheaper and has less cables.

Other functions not available on connector on the display-only HW (it is literally display-only)

Besides the obvious display functions, some other useful functions could be used: