littleBits Sample Rotator

January 23, 2014
Build a sample rotator using Erector set parts and littleBits for your home laboratory. The sample rotator, or media rotator "is a common piece of standard laboratory equipment that is used for continuous mixing of lab samples, for example for slowly reacting or dissolving components." (Source: For a more detailed description of the build, see my Instructable:

How To Make It


Build Circuit: Power + Dimmer + Bargraph + DC MOtor

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