Quote:
Originally Posted by Ether
What an encoder "measures" depends on how its output signal is decoded. It can measure either angular position or angular speed. These can be converted into distance or linear speed.
http://en.wikipedia.org/wiki/Rotary_encoder
A gyro is a poor choice for measuring the angle of an adjustable ram.
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Ah, you're right. Thanks for correcting me. If you could get an encoder properly configured (which is something that I always have trouble with) that would almost certainly be your best option.