View Single Post
  #21   Spotlight this post!  
Unread 01-11-2006, 22:23
AdamHeard's Avatar
AdamHeard AdamHeard is offline
Lead Mentor
FRC #0973 (Greybots)
Team Role: Mentor
 
Join Date: Oct 2004
Rookie Year: 2004
Location: Atascadero
Posts: 5,498
AdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond reputeAdamHeard has a reputation beyond repute
Send a message via AIM to AdamHeard
Re: So, How do you shift?

Quote:
Originally Posted by EricS-Team180
For the past two years we've used a shift lever attached to a rotary switch with resistors in series. We wire that to an empty aux or wheel pin on an OI joystick port. This gives us an "analog-digital" input. We read that in the FRC and interpret it as a gear request, to send a pwm value to our shifting servos. The shifting itself is open loop. Testing it is a part of our pre-match check-out in the pit.
So, how many speeds to you have?

If you have 4, does one servo switch between the 4 base on how far it moves?