That is the case. Signal to board is very good and stable.
The FW will be OS, but the display is a custom display. There was nothing available that would have met the size and standard we wanted for the Wand. We could actually display small video clips or run a simple video game.
If you use a different display you will need to code a different driver.
Thumb potentiometer actually fees quite nice and is very fine tuned. I can easily control 2Km/h difference.