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Unread 06-12-2016, 14:08
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Munchskull Munchskull is offline
CAD Designer/ Electrical Consaltant
AKA: Anthony Cardinali
FRC #0997 (Spartan Robotics)
Team Role: CAD
 
Join Date: Jan 2013
Rookie Year: 2013
Location: Corvallis, OR
Posts: 486
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Re: Designing with sensors

Quote:
Originally Posted by bmammen View Post
We used the MA3-A10-250-N (AndyMark's Absolute magnetic pot) on our shooting arm and had very good luck with it, no dead zone at all. Our high goal shots, among other things, were dependent on it and we were over 80% consistent in Auto. One thing to point out is that if you use v1 of the Universal Breakouts on the Talon SRX's they only supported 3.3v sensors and would therefore give you a dead zone for that 5v pot. In version 2 they've fixed that issue.
Pictures of how you mounted these would be great. Last year we had issues of the entire POT rotating at times.

Luckily (in this case) we use the Victor SP and not Talon SRXs.

Quote:
Originally Posted by Hitchhiker 42 View Post
Additionally, to connect the shaft of a pot to the rotating shaft, we've used a couple of tricks: either get flexible shaft couplings (one of our mentors brought some in from work) or, if you don't have that, some pneumatic tubing with zipties at both ends works well too.
How well does this actually work? The last trick like this I tried was using hot glue and it was terrible. Right now I am leaning towards drilling and tapping the shaft for using set screws.
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“In theory, theory and practice are the same. In practice, they are not.” ― Anonymous
Anthony Cardinali
4th year of FRC
Class of 2017




Last edited by Munchskull : 06-12-2016 at 14:10.
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