View Single Post
  #26   Spotlight this post!  
Unread 20-02-2012, 17:46
Brandon_L Brandon_L is offline
Back @ it again with the white vans
AKA: Brandon Liatys
FRC #2180 (Zero Gravity)
Team Role: Mentor
 
Join Date: Jan 2008
Rookie Year: 2007
Location: Newark, NJ
Posts: 1,207
Brandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond reputeBrandon_L has a reputation beyond repute
Re: Encoders getting different rates

We had the same problem with ours. One side was giving reliable readings everytime, the other would give us some random garbage. We figured it out by manually rotating the axis the encoder was on by 1 revolution, and looking at the output, several times. They were very consistent, compared to the other side that would give us garbage. We looked at our wiring and found that the plastic clip the wires plug into was cracked and one of the signal wires was pretty much not connected. Pull it out and just check on it. After we replaced it, its been working fine.

If you rotate them one revolution and both sides are giving similar readings every time, then you can go ahead and scale them. For example if side A was giving you 140 and B was 360, you know that 140X=360. 360/140=~2.6. So you multiply the one side by ~2.6 to get them equal.
__________________
FRC 2495 - Hamilton West Robotics [2007-2014] - whats a..."hive mind"?
FRC 3929 - Atomic Dragons [2012-2013]
FRC 2180 - Zero Gravity [2017-]

Just trying to collect all the possible team colors

Last edited by Brandon_L : 20-02-2012 at 17:48.
Reply With Quote