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LEGO models my own creation MOCpages toys shop Mindy Mindstorms, the robotic cheerleaderRobotics
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Mindy Mindstorms, the robotic cheerleader
The Cheerleader Minifigure is adorable and now she can dance too! It’s Mindstorms technology that brought her alive. Watch the video to see Mindy dance to the music.
About this creation


Video: Robot Mindy dancing to the beat of “Alpha One”. Meanwhile a complete robot team is created! Follow the link to enjoy the First Robotic Cheerleaders.



Cheerleader figure

This cute Cheerleader belongs to the very first Collectable Minifigures.


Mindy is 9 times bigger than the Minifigure. She’s made from 1000 Lego bricks.
The pom-poms are from wool.



Robot design


Mindy is balancing on only 2 wheels. A gyro sensor from HiTechnic (certified & sold by Lego) is used to detect unbalance. The Mindstorms NXT computer calculates the required power to the wheels, to prevent that Mindy falls over.


With a weight of 1.3 kg & height of 35 cm it’s a big challenge to stay in balance. The fast dance moves make it even more difficult. Light weight construction techniques and a low point of gravity are used to get good performance.


The right arm is directly driven by a servo motor. A slip clutch with end stoppers is used for the left arm, which enables Mindy to move both arms out of phase.
The construction is build modular.



Robot software


Mindy is programmed in NXT-G (the standard NXT program language).
The software part for balancing is based on an algorithm by HiTechnic, that can be downloaded at www.hitechnic.com. Changes and extensions are mandatory to handle Mindy’s mass & size. For instance, to deal with vibrations that occur due to play between the internal gears of the servo motors.


All dance moves are programmed in Mindy’s mind. Different dances can be created using the same set of dance functions. A second NXT computer is applied to synchronize Mindy’s dance steps to the beat of the music. Communication between the NXTs is by Bluetooth.





Enjoy Lego dancing!
Arjen Vuurzoon.




Comments

 I like it 
  May 20, 2012
Cool! :D
 I like it 
  May 11, 2012
impressive! it s also funny, your set up is well conceived, buying the blue tooth is in my plans, combining it with a lap top is a dream, you re in buisness! do you plan to get the solar kit?
 I like it 
  May 9, 2012
Incredibly convincing! This is amazingly hard to achieve, combining keeping it upright while additionally making well orchestrated moves. Hats off, you nailed it again B-)
 I like it 
  May 6, 2012
It's a DUDE!
 I like it 
  May 6, 2012
Fabulous and funky! Love it.
 I made it 
  May 6, 2012
Quoting Michael O'Keefe Nice! How did you get the youtube video emmbeded?
Hi Michael, Thankx. Go to Mindy's YouTube video site, choose "Share" and than "Embed". Select "Use old embed code". Regards.
 I like it 
  May 5, 2012
Nice! How did you get the youtube video emmbeded?
 I like it 
  May 4, 2012
Perfect!
 I like it 
  May 3, 2012
The music makes me dance too! Awesome!
 I like it 
  May 2, 2012
Wow nice creation!!!!!
 I like it 
  May 2, 2012
Heh, can't say I'm huge on Dubstep/Techno, but build sheer genius. Well done!
 I made it 
  May 2, 2012
Quoting Sebeus I That was just amazing, (seen it live :P )
Hi Sebeus & others, Thankx for your comments! After her introduction at Brick Mania 2012 in Wetteren (Belgium), I thought it would be nice to show her on MOCpages too.
 I like it 
  May 2, 2012
LMAO! That is hilarious, and very well designed. I agree that the face is bit off (trans-gender cheerleader FTW) HAHA! Great job with the dance software and the rest of the model is spot on! ~cheers
 I like it 
  May 2, 2012
That. Is. Amazing.
 I like it 
  May 2, 2012
Very cool! But her face freaks me out a bit, she's not the prettiest of cheerleaders is she? lol
 I like it 
  May 2, 2012
Mindy dances very well now. Very good construction and software. Congratulations Arjen!!
 I like it 
  May 2, 2012
great!
 I like it 
  May 1, 2012
Absolutely brilliant!
 I like it 
  May 1, 2012
Very impressive! :)
 I like it 
  May 1, 2012
Impressive, very impressive;)
 I like it 
  May 1, 2012
Great idea!
 I like it 
  May 1, 2012
That was just amazing, (seen it live :P )
 I like it 
  May 1, 2012
Impressive!
 
By Family Vuurzoon
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LEGO models my own creation MOCpages toys shop Mindy Mindstorms, the robotic cheerleaderRobotics


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