littleBits Sample Rotator

by KRA5H

Published on April 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

Related Projects

Disney Inspired Baymax From Big Hero 6

MAKE A MOVING ARM WITH A FIST LAUNCHER, JUST LIKE BAYMAX HAS IN BIG HERO 6. Use your phone or smart device to wirelessly control t...

Times Square Ball Drop

Lights up and balls spin to celebrate New Years eve

Quiet Time Machine

I thought up this contraption while I had a migraine earlier this week. It's a game where every three "strikes" I get a little bit...