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Re: Tachometer
I'm not quite sure exactly what you are trying to do, but many teams measure motor speed using some sort of wheel with light and dark spots, or opaque and transparent spots, and use light sensors (such as the Banner sensors in the kit).
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Teacher/Engineer/Machinist - Team 696 Circuit Breakers, 2011 - Present
Mentor/Engineer/Machinist, Team 968 RAWC, 2007-2010
Technical Mentor, Team 696 Circuit Breakers, 2005-2007
Student Mechanical Leader and Driver, Team 696 Circuit Breakers, 2002-2004
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