Tilted twister

Hans-Georg's picture
Thu, 2008-12-25 23:46 by Hans-Georg
The Tilted Twister Lego MindStorm robot

a Lego Mindstorms robot that solves Rubik’s cube

Tilted Twister solves Rubik’s cube fully automatically.

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Just place the scrambled cube on Tilted Twister’s turntable. An ultrasonic sensor detects its presence and starts to read the colors of the cube faces using a light sensor. The robot turns and tilts the cube in order to read all the faces. It then calculates a solution and executes the moves by turning, tilting and twisting the cube.

The challenge was to build the robot using only the Lego Mindstorms NXT Retail-kit. And to make it completely independent, without need of being connected to a PC.

The Lego Mindstorms NXT Retail-kit contains three servo motors and four sensors (touch, light, ultrasonic and sound). How should I build the robot using only theese items?

After a lot of experimenting I came up with a solution - If I …

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