View Single Post
  #1   Spotlight this post!  
Unread 21-12-2009, 00:32
kamocat's Avatar
kamocat kamocat is offline
Test Engineer
AKA: Marshal Horn
FRC #3213 (Thunder Tech)
Team Role: Mentor
 
Join Date: May 2008
Rookie Year: 2008
Location: Tacoma
Posts: 894
kamocat is just really nicekamocat is just really nicekamocat is just really nicekamocat is just really nicekamocat is just really nice
Send a message via AIM to kamocat Send a message via MSN to kamocat
rescale analog inputs

Our analog inputs on the cRIO have a range from -10v to 10v.
Our accelerometer has an effective range from 0.6v to 2.4v
That's 9% of the full range, which means you get 9% of the full accuracy.

I was considering ways of rescaling it, and I was thinking a linear regulated 10v supply, a -10v supply, and an LM386 would be a good way to do it.

However, before I go out and buy anything, i wanted to check with you guys. Is there a simpler way to do this? Is there something I'm overlooking?
__________________
-- Marshal Horn