backbone:
did not changed the standard setting yet.
[sound] grinding of teeth in frustration [/sound]
The whole / the ONLY / point of the code was to try it with and without the call to scale.read().
Looking at the results with and without scale.read() makes even MORE sense when you change intervalMillis.
And checking that scale.read() gets sensible values will, of course, also be essential.
My jaw has now unclenched - have fun 
...R