[BRLTTY] Slightly OT, cleaning braille display cells

[Mario Lang]

Jason White <jasonw at ariel.its.unimelb.edu.au> writes:

> As a slightly off-topic question, does anyone know why, after a display is
> switched off, the pins eventually rise through the holes in the surface?

Because the piezzostrips are essentially in state 0.5 if they dont
have any current attached...  So down and up are the two
extreme states of the piezzostrip when different currents are
attached, and if there is no current, it eventually goes into
the inbetween state.

-- 
CYa,
  Mario