So you want to get started in VR development? Cirque’s new flexible development kit can help. It has released GlidePoint Circle Trackpads in 40mm and 35mm sizes. They are extremely efficient and integrate into your hardware with extremely low power consumption. The kit also includes a development board with an Arduino compatible controller.
The dev board comes with a Teensy 3.2 module mounted. You can get this kit for $75 at this time.