Public Lab Research note


More tests for "hamster ball" air quality monitoring

by warren | February 07, 2012 16:31 | 2,468 views | 0 comments | #761 | 2,468 views | 0 comments | #761 07 Feb 16:31

I got the "robotic hamster ball" working and moving very slowly by gearing down a Lego motor and using its battery pack as a weight. Issues:

  • it's not super reliable - it gets stuck and makes a "clicking" noise
  • it move so slowly that it is jerky in its motions
  • it's not balanced well so it tends to go in circles
  • it's hard to turn on and off because the button is hard to reach while it's moving

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