Forum: Electrical
05-03-2012, 05:11 PM
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Replies: 30
Views: 9,006
Re: Robot Lighting
Yes, you can use a DIO off of the sidecar. However, we frequently find ourselves in the situation where we're maxing out our sidecar with limit switches and the like. So, if you've got the pins,...
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Forum: Programming
05-03-2012, 02:00 PM
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Replies: 9
Views: 1,521
Re: Off season controls projects
Those are all pretty good projects and right in line with the topics that our software team will be working in the off season. They encompass many key topics including encoders, digital and analog...
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Forum: Programming
05-03-2012, 09:14 AM
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Replies: 27
Views: 5,804
Re: Is switching from LabVIEW a bad idea?
As an employer of embedded developers that work in environments such as Android, embedded Linux, VxWorks and several others, I can say the the experience of C/C++ will help ensure that your students...
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Forum: C/C++
05-03-2012, 08:37 AM
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Replies: 8
Views: 1,994
Re: Cross Hairs on Camera in C++
If you use the camera overlay approach, the simply give the camera a pixel location and the image is moved to that location. Very easy to sight in as long as the ball and shooter speed are...
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Forum: Electrical
04-30-2012, 07:59 PM
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Replies: 30
Views: 9,006
Re: Robot Lighting
We've had good luck with using Arduinos and RGB addressable LED tape like this stuff:
http://www.adafruit.com/products/306
The Arduino can only source 40ma on one digital out. So, you'll likely...
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Forum: C/C++
04-30-2012, 12:19 AM
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Replies: 3
Views: 1,104
Re: Smart dashboard Camera Problem
Hmm... Well, it didn't fix the issues. And, based on polling around at the championships, we were not the only team to have these problems. Fortunately, I spoke with Brad Miller from WPI and it...
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Forum: C/C++
04-30-2012, 12:15 AM
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Replies: 4
Views: 1,127
Re: ZomB Dashboard update problem
Hmm... I did all of those. I had 3 BSODs running the ZomB dashboard. So, I punted.
I also spoke to Brad Miller from WPI about all of the camera connection problems that I and others were seeing...
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Forum: CAN
04-30-2012, 12:07 AM
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Replies: 22
Views: 3,601
Re: CAN on the entire 2012 robot
Team 116 had a mixture of CAN and PWM on this year's robot. Jaguars on the ball guide and shooter motors (one on each side) and Victors to run the wheels due to size constraints and the annoying...
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Forum: General Forum
04-29-2012, 11:33 PM
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Replies: 79
Views: 14,042
Re: The communication tides are shifting...
Hmm... OK, I've read through the majority of the posts in this thread and I'm surprised that we haven't had any RF folks like the hams chime in. So, since I'm a ham operator of almost 40 years...
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Forum: Programming
04-29-2012, 03:02 PM
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Replies: 22
Views: 3,291
Re: Arduino and kop encoder
We're not using Java, but rather C++. Nonetheless, the blocking is in a thread that simply reads from the UDP socket (recvfrom() call) using a blocking socket (one not marked as FIONBIO via...
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Forum: Programming
04-26-2012, 12:11 AM
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Replies: 22
Views: 3,291
Re: Arduino and kop encoder
Actually, the Arduino mega maxes out at about 30,000 PPS. It can easily read 3500-5000 RPM depending on your encoder. Rather than sample at 1x/second, you might try sampling at 100x/second and...
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Forum: Programming
04-25-2012, 04:15 PM
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Replies: 22
Views: 3,291
Re: Arduino and kop encoder
We are using a Grayhill 63R64 encoder with an Arduino mega for the RPMs of our shooter. We opted for that encoder instead of the KOP because the PPR on the KOP encoder is so high that we were...
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Forum: C/C++
04-22-2012, 02:21 PM
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Replies: 4
Views: 1,127
Re: ZomB Dashboard update problem
OK, I've got ZomB on the actual laptop for our driver station now. However, when I run it, I get a series of error message pop ups about a connection refused at the cRio on port 1735. Is there some...
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Forum: C/C++
04-20-2012, 08:30 AM
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Replies: 3
Views: 1,104
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Forum: C/C++
04-20-2012, 01:13 AM
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Replies: 3
Views: 1,104
Smart dashboard Camera Problem
Greetings!
I'm trying to get the smart dashboard to connect to my M1011 camera. I've set the IP address of the camera in the properties, but I still am not seeing any video. There's only one...
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Forum: C/C++
04-20-2012, 01:09 AM
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Replies: 4
Views: 1,127
ZomB Dashboard update problem
Greetings!
I'm trying to use the ZomB dashboard to show the camera, a couple of text fields and 3 "LED" indicators. The camera works great (unlike smart dashboard where I could never get it to...
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Forum: Technical Discussion
04-18-2012, 04:55 PM
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Replies: 6
Views: 1,382
Re: PTZ Camera Legal?
Hi Alan,
I assume that you ask questions of the GDC on FIRST Forum. But, do you have a link that you can provide so I make sure I post the question in the right place?
TIA,
Mike
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Forum: Technical Discussion
04-18-2012, 08:13 AM
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Replies: 6
Views: 1,382
PTZ Camera Legal?
Hi Everyone,
I'm just curious about the legality of a pan-tilt-zoom IP camera on the robot? The PTZ feature is accessible via IP. But, internally, my guess would be that they use servos to...
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Forum: Programming
04-17-2012, 07:36 AM
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Replies: 4
Views: 1,710
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Forum: Programming
04-16-2012, 10:28 PM
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Replies: 9
Views: 2,157
Re: Weird Socket Problem with Arduino & cRio
Hi Radical,
Yeah, I think we've stumbled across the same issue here. Thanks for the code reference. It looks like you're using a Beagleboard with USB camera and OpenCV? How's that working out...
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Forum: Programming
04-16-2012, 06:54 PM
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Replies: 9
Views: 2,157
Re: Weird Socket Problem with Arduino & cRio
Hi Joe,
This is Mike Anderson. We've met several times at ESC. I'm the software mentor for Team 116. In any case, I've been able to duplicate the failure from Linux as well. I'm attaching the...
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Forum: Programming
04-16-2012, 02:08 AM
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Replies: 9
Views: 2,157
Re: Weird Socket Problem with Arduino & cRio
In the failure mode, the cRio completely drops off of the network. The communications "led" on the driver station goes red, the net console stops responding and the only way out is to reboot the...
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Forum: C/C++
04-15-2012, 10:47 PM
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Replies: 4
Views: 1,498
Re: OS Version Check Failed
Hmm... OK, verify that the VxWorks image that you're using for your reference in the target server matches the VxWorks image on your cRio. If nothing else, you should be able to copy the VxWorks...
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Forum: C/C++
04-15-2012, 10:49 AM
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Replies: 8
Views: 1,994
Re: Cross Hairs on Camera in C++
Greetings!
It's pretty easy to put an overlay on the camera image at the camera itself. Create a .bmp file of your crosshair in MSpaint or similar program. Log into the camera and select the...
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Forum: C/C++
04-15-2012, 10:23 AM
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Replies: 4
Views: 1,498
Re: OS Version Check Failed
We saw this when the WR Workbench thought it was talking to a cRio but the board was a cRio II. Go into your launch settings (connection settings in the lower left-hadnd corner of the Eclipse...
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Robot? What robot?! - LightWaves1636 [more] 
