How to build a toilet-flushing Lego robot

Evan Blass
E. Blass|09.28.07

Sponsored Links

Evan Blass
September 28th, 2007
How to build a toilet-flushing Lego robot

We were always a little wary of bringing our Legos into the bathroom, but if you've got no such baseless fears, BattleBricks has published a handy how to on building one of those fancy auto-flushers you see in some of the finest washrooms worldwide. Using only parts from a standard NXT Mindstorms kit, Will Gorman rigged up a contraption that employs the ultrasonic sensor module to detect the presence and then absence of a bathroom-goer, and also features a dedicated button to perform a Rube Goldberg-esque manual flush. Keep on reading for a thankfully-SFW demo vid of the so-called "RoboFlush"...

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.
Popular on Engadget