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Unread 12-10-2016, 00:49
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RyanCahoon RyanCahoon is offline
Disassembling my prior presumptions
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Re: VersaPlanetary Integrated Encoder without Talon SRX?

Quote:
Originally Posted by RyanCahoon View Post
I think you can get the absolute position signal by using http://www.vexrobotics.com/217-4401.html but I haven't tried it personally.
^ This is wrong

Quote:
Originally Posted by Ben Wolsieffer View Post
The absolute position mode uses a PWM signal rather than an analog signal, so I don't think that would work. You would have to find a way to decode the PWM signal on the roboRIO.
Since the PWM signal goes from 0 to 100% duty cycle, I assumed they were just using a filtering circuit to smooth it into a signal readable as an analog voltage.

Comparing page 5 of https://content.vexrobotics.com/vexp...User-Guide.pdf and page 17 of https://content.vexrobotics.com/vexp...e-20150201.pdf shows that they actually use different pins. Interestingly, the PWM out actually gets wired to the pin labeled "Quadrature Index"
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