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Subject: 
Automatic Change sorter
Newsgroups: 
lugnet.robotics
Date: 
Tue, 10 Aug 1999 04:36:51 GMT
Original-From: 
STARRWARSS@*avoidspam*aol.com
Viewed: 
459 times
  
Well, in the june issue of Popular Mechanics magazine, there is an article on
Mindstorms and in it showed an Automatic change sorter.

I was wondering if anyone had even attempted at making one.

I am also looking for ways to tell the differance between all 5 typs of
coins.  (US coins)

any ideas?  I have a few but am questioning if they will work.

KGB AgEnT #4 OUT AKA Clint Rutkas
http://members.xoom.com/rutkas

--
Did you check the web site first?: http://www.crynwr.com/lego-robotics



Message has 2 Replies:
  Re: Automatic Change sorter
 
(...) There are at least six coins in common circulation in the US: the penny, nickel, dime, quarter, Kennedy half-dollar, and Susan B. Anthony silver dollar. Did I miss any? (...) Assuming the required accuracy can be achieved with legos, diameter (...) (25 years ago, 10-Aug-99, to lugnet.robotics)
  Re: Automatic Change sorter
 
Fudd's change sorter in popular mechanics uses a light sensor to distinguish between penny and everything else, and then uses a touch sensor for the others. it times how long it takes a touch sensor arm to reach the coin, which differs depending on (...) (25 years ago, 11-Aug-99, to lugnet.robotics)

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