
PROJECTS Budget VR Haptic Gloves
and
D
), which is measured by an Arduino. The
spool is spring loaded, using a rotary spring
that’s recycled from cheap badge reels, so it
retracts automatically. The finger tracking is
then calculated and sent to a VR-ready PC over
a USB cable or Bluetooth. This allows you to see
a representation of your hand in virtual reality
that tracks your fingers and lets you interact with
objects in the virtual world (Figure
E
).
PULLBACK FORCE FEEDBACK
Not only can you interact with virtual objects,
but now you can feel them too. Prototype 4 of
the gloves includes servomotors which pull
back on the strings when you hol