42 / SYSTEM FEEDBACK
Haptic Threshold
The problem
Dragging a slider or knob feels slippery when nothing marks the moment you cross a meaningful value.
The solution
Crossing each detent fires a visual (and haptic) pulse and snaps.
Experiment
Task: Drag the slider across the detents.
NAIVE
0
value0
detentnone
THOUGHTFUL
0
value0
detent0/4
Play with the values
5
How it works
Seen in
Volume sliders
Steps click into place, giving a tactile sense of level.
Rating controls
Each star registers with a distinct pulse.
Zoom controls
Preset zoom levels snap and buzz on crossing.
Color pickers
Discrete stops feel deliberate rather than slippery.