Go to Post You all have ample time to get your sleep in from the final day of nationals to the friday before kickoff. There should be no reason why anyone will need sleep for the next 6 weeks and then some. You all have had enough of sleep or hibernation, now its time to wake up and do some work =). - mtaman02 [more]
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Unread 24-01-2015, 14:55
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Re: S4 Encoder Group Buy

Quote:
Originally Posted by AdamHeard View Post
Please, please, please post your experience with those sparkfun encoders as soon as you feel you can provide good feedback!

Thanks!
I set up a quick vi to run and sample the output of the encoders we ended up purchasing from Sparkfun.

Adam specifically wanted to know ho well they operated in the 2000 RPM range as well as if they became warm due to the very minor resistance to rotation they have.

These encoders are rated up to 5000 RPM. We tested them at just over 2500 RPM. They ran continuously for over 20 minutes during the tests and never got warmer than room temperature.

Below is a graph of the A and B channels. The slight fluctuation is attributed to the mechanical set up used to drive the encoder. As you can see, it was a bit janky, but it worked.

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