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BattleBricks show you how to make your own “RoboFlusher” –

Tired of flushing your own toilet? Build a RoboFlush! RoboFlush is a simple Lego NXT Mindstorms Robot designed to flush a toilet automatically. It also comes with a manual flush option! Check out these instructions to build your own. Mike D’Amour came up with the idea, and Will Gorman built and documented RoboFlush.

RoboFlush – The LEGO NXT Mindstorms toilet flusher robot – [via] Link.