Description:

Creates a 3D-View UI slider to control a shape key.

UPGRADED TO BLENDER 2.8

All you need to do is select your mesh, select the shapekey, press Shift+A and select Armature > Shapekey Slider Driver.

Tutorial: https://youtu.be/noeecC2bUmo

http://www.blendswap.com/blends/view/83077