Forum: Pneumatics
11-18-2012, 03:54 PM
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Replies: 9
Views: 2,597
Re: 2008 Festo Solenoid
I may be necromancing this thread, but I happen to be working with a 2008 festo solenoid at the moment and have a multimeter and supply handy.
The festo valve's solenoid coil, when connected...
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Forum: Technical Discussion
08-03-2012, 07:54 PM
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Replies: 31
Views: 4,850
Re: Tap Magic?
When I was on 11, we used to swear by the stuff for machining of all kinds. The nice thing about it is it's water-based and can be diluted to your desired viscosity. It also doesn't have the...
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Forum: Programming
04-04-2012, 12:04 AM
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Replies: 5
Views: 3,905
Re: Arduino runing CAN Bus
One of my old teammates has been working on this. It's a Robot Operating System Node for controlling Jaguars over serial. You may be able to pull out some useful stuff about the Jaguar serial...
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Forum: Java
02-19-2012, 01:30 PM
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Replies: 0
Views: 432
PIDSubsystem setSetpointRange Not Implemented
We just ran into this, and I wanted to put out a warning to everyone else.
The JavaDoc for the PIDSubsystem class says
In testing, we almost destroyed some things on our shooter aiming mechanism...
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Forum: Programming
02-04-2012, 08:44 PM
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Replies: 29
Views: 5,004
Re: SmartDashboard Crashing
This may be related to http://firstforge.wpi.edu/sf/go/artf1445?nav=1&_pagenum=1&returnUrlKey=1328405797848 if you're running the camera display.
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Forum: Java
02-04-2012, 08:25 PM
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Replies: 8
Views: 3,695
Re: Netbeans Having Problems With Imports
Are the wpilibj packages included as libraries in the project? If your teammates created a regular Java project (instead of an FRC project), the libraries wouldn't be included. You should see them in...
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Forum: Java
02-04-2012, 08:20 PM
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Replies: 5
Views: 1,948
Re: Standalone image analysis.
You can either work with OpenCV directly (using the Java interface that WPI has supplied), or you can use the WPIImage object's method's to do a lot of basic image processing.
Someone named Greg...
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Forum: NI LabVIEW
06-19-2011, 06:30 PM
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Replies: 10
Views: 2,753
Re: LabVIEW deployment problems
My team had a similar issue until the NI rep at Buckeye told us to disable Windows firewall. I don't know if that's the issue here (especially given the suspect hardware in your laptop), but he said...
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Forum: General Forum
01-11-2010, 07:44 PM
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Replies: 37
Views: 11,307
Re: Tank Treads
You might try double-sided timing belt, which can be purchased from many places, including McMaster-Carr (www.mcmaster.com)
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Forum: FRC Control System
06-16-2009, 12:10 AM
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Replies: 11
Views: 2,727
Re: Digital Sidecar Connection Issue
You may wish to try this http://www.chiefdelphi.com/forums/showthread.php?t=75103&highlight=sidecar+weight on a temporary basis to see if your cable is the problem.
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Forum: General Forum
05-18-2009, 08:56 PM
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Replies: 12
Views: 5,353
Re: DC Motor For Lawnmower
Thank you everyone who answered, particularly artdutra for those links. I'll keep looking around a bit and hopefully find something within my price range.
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Forum: Electrical
05-17-2009, 08:12 PM
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Replies: 19
Views: 2,716
Re: Battery powered DS help
As I interpret this, you want to use two of the old 7.2V backup battery (14.4V total) to run the DS and router, and you want to make a voltage divider...
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Forum: CAD
05-15-2009, 01:46 AM
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Replies: 15
Views: 4,480
Re: Molding Custom Wheels?
So my post just got eaten. I will try again.
Pros of molding (using Urethan and silicone as Brandon suggested):
-Reproduceability
-Can be done in a garage once the molds/dies are made
-Doesn't tie up...
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Forum: General Forum
05-14-2009, 05:42 PM
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Replies: 12
Views: 5,353
DC Motor For Lawnmower
I remember seeing at some point (possibly on these forums, but I cannot find it) that power (horsepower ratings) for internal combustion engines (as in a lawnmower) do not carry over to DC...
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Forum: Pneumatics
04-03-2009, 02:23 AM
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Replies: 14
Views: 1,387
Re: Air compressor
I believe you're referring to a Venturi vacuum pump, which would work with any pressure line. The compressor itself may actually be able to function as a vacuum pump on its own. I'm not sure how...
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Forum: Regional Competitions
03-27-2009, 08:16 PM
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Replies: 28
Views: 4,172
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Forum: General Forum
03-20-2009, 09:33 PM
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Replies: 15
Views: 2,344
Re: FRC in Germany?
Personally, I'd suggest Torx or Hex socket (Allen) over Phillips anyway. I'm sure one or the other is available in Europe...
As for the Metric system, count your blessings. Once you're used to it, it...
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Forum: General Forum
03-18-2009, 10:19 PM
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Replies: 9
Views: 920
Re: Adding members?
Just remember that any member who didn't hand in a photo release at the regional will have to get one signed.
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Forum: NI LabVIEW
02-16-2009, 09:51 PM
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Replies: 4
Views: 854
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Forum: NI LabVIEW
02-16-2009, 02:58 PM
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Replies: 4
Views: 854
Re: Victor Controllers Not Receiving Signal
Update: We tried replacing one of the victors with a jaguar, and now all of the motor controllers are throwing a 63195 error in writePWM.
I'm going to check the power connections. That might be it.
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Forum: NI LabVIEW
02-16-2009, 02:22 PM
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Replies: 4
Views: 854
Victor Controllers Not Receiving Signal
We've been having an on and off problem (it seems to come and go randomly as we make seemingly unrelated code changes).
All of the motors we are running off victors refused to run. We've tried...
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Forum: NI LabVIEW
02-14-2009, 09:19 PM
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Replies: 3
Views: 861
Re: Autonomous help
As I understand it, you want your sensor code and your motor code to be running at different frequencies (to check your sensors more often).
Have you tried using two while loops running in parallel?...
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Forum: Programming
01-30-2009, 08:26 AM
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Replies: 5
Views: 762
Re: Detecting the top of the trailers
The sheets in the Kit are actually slightly smaller than is required, but are enough to make one side of the trailer appear on the camera. (The kit sheets are 12x12, the actual target is a 12" height...
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Forum: Programming
01-29-2009, 07:48 PM
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Replies: 5
Views: 762
Re: Detecting the top of the trailers
Additionally, you can and should allow for a variation in shade due to lighting. If you go to the documentation for the control system on usfirst.org, you can find fully-functional sample code for...
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Forum: NI LabVIEW
01-26-2009, 07:39 PM
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Replies: 2
Views: 5,142
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The Chairman's award is about doing what you can to strengthen the FIRST community. It doesn't require money to simply lend tools, wise advice or a hand. - Koko Ed [more] 
