/[gzz]/manuscripts/Control1/poster.rst
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revision 1.81 by mudyc, Mon May 5 21:21:13 2003 UTC revision 1.82 by tjl, Mon May 5 21:23:30 2003 UTC
# Line 352  controls have enough friction Line 352  controls have enough friction
352  to retain their position.  to retain their position.
353    
354  We must stress that  We must stress that
355  this constoller is still very much work in progress;  this controller is still very much work in progress;
356  we are constantly experimenting with  we are constantly experimenting with
357  more advanced controllers for this application.  more advanced controllers for this application.
358  The results  The results
# Line 469  handle built from slopes and inverted sl Line 469  handle built from slopes and inverted sl
469  With some more effort, ergonomic handles of any imaginable shape  With some more effort, ergonomic handles of any imaginable shape
470  can also be created by covering  can also be created by covering
471  LEGO bricks with air-hardening  LEGO bricks with air-hardening
472  modelling paste, as in [ref-figpaste1]_.  modelling paste, as in Fig. [ref-figpaste1]_.
473    
474  .. figure:: paste1.jpg  .. figure:: paste1.jpg
475     :width: 7.5cm     :width: 7.5cm
# Line 485  group's members. Line 485  group's members.
485  Conclusion  Conclusion
486  ==========  ==========
487    
488  The most important contribution of this article is  The most important contribution of this article is the simple
489    interface between LEGO bricks and an optomechanical computer mouse,
490    which alters the economics of creating custom controllers.
491    
492    There are several positive attributes to our approach:
493    prototyping new controllers is cheap, in the region of $30-$100
494    per controller. Controllers are easy to build and the parts
495    are reusable.
496    When using USB mice, it is possible to attach as many controllers
497    as desired to a single computer and the controllers are easy
498    to use programmatically e.g. in Linux.
499    Additionally, this approach is able to tap a hidden resource:
500    a considerable fraction of scientists and students actually *do*
501    have previous experience with LEGO bricks. And of course,
502    building controllers is both fun and motivating.
503    
504    
 Pros:  
   
 - cheap  
 - easy to build  
 - reusable parts  
 - USB -> can attach as many as we want, simple to use  
 programmatically e.g. in Linux  
 - taps to several scientists' hidden background in LEGO building.  
 - fun, motivating  
   
505  Cons:  Cons:
506    
507  - weak (legos may break apart)  - weak (legos may break apart)

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