|Being in FIRST and putting the focus on the robot is like building a robot and putting the focus on the bandsaw (or mill or lathe, or whatever you do your machining with). The robot is a tool we use to play the game, the game is a tool we use to inspire and teach. - GeeTwo [more]|
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Today 01:17 AM
Current draw of stalling motors to hold up an arm?
Say we have an arm of length L holding a box with a mass of M. The worst case torque on the arm due to gravity will be L * M * g = torque_arm. We then have a gear ratio G from our arm to our motor....
(1,324 views, 19 replies)
Today 01:11 AM
CTRE Talon SRX, Follower mode and setInverted()
May not affect your issue, but latest firmware is 3.3
(67 views, 2 replies)
Today 01:09 AM
Motor climber issues
Unfortunately as some people have suggested we cannot go only 12Ē up as we plan on having other bots climb on ours. So that isnít an option for us as we are prett set on doing so
(1,034 views, 15 replies)
Today 12:50 AM
Measuring robot extension during inspection
If your robot is capable of extending outside of the size limitations during the match, but does not have software in place to prevent this from happening, then you still pass inspection. All you...
(169 views, 3 replies)
Today 12:46 AM
Best part of competitions?
One of my favorite aspects about problem solving is that there's almost never a single way to solve a problem. FRC epitomizes this concept, which has become one of my favorite parts of regional...
(1,695 views, 34 replies)
Today 12:12 AM
Internal battery resistance test tools
I got to test some Team 11 FRC robot batteries tonight with the EM3610, my Battery Beak, their Battery Beak 2.0 and their Battery Beak 1.0. So firstly I discovered that their Battery Beak 1.0 always...
(953 views, 16 replies)
Yesterday 11:59 PM
No elim points for RP tasks this year
The way I see it RP don't really matter as much this year as in previous years ... its more a factor of alliance/team intelligence as the game is so non-linear. As a scout I will be looking for...
(719 views, 7 replies)
Yesterday 11:55 PM
2018 Shirt Trading Thread
Hey everyone! I'm on 1023, and I'm a S but have access to most shirt sizes if you aren't. I don't have any particular trades in mind atm, so just hit me up. I'll be at MSC and Detroit champs with...
(4,159 views, 44 replies)
Yesterday 11:54 PM
"Quotes" that were said during build season
"Some idiot drilled the hole crooked." -Me about Me IRL - Me: "Has anyone heard from K?" SH: "I don't know she said she would be here" Facebook Mentors Lounge Conversation - Almost immediately...
(1,419,001 views, 5,156 replies)
Yesterday 11:51 PM
what to do with the LiveWindow.add#####
Thank you very much! I finally stumbled into addChild, not through the JavaDocs, boo, hiss). Figuring out what to pass was not intuitively obvious to this casual observer.
(352 views, 4 replies)
Yesterday 11:49 PM
Quite a few people have given good advice on the mechanics of how to create your layout, mainly using two forms of CAD. The paper I posted several years ago gives some guidance on what you should...
(964 views, 16 replies)
Yesterday 11:38 PM
Double Solenoid programming Labview
I am having problems with programming double solenoids on the latest version and would like some help.
(35 views, 0 replies)
Yesterday 11:26 PM
LiveWindow, SmartDash, SmartDash 2.0, Shuffleboard?
(549 views, 14 replies)
Yesterday 11:16 PM
Detecting an Object by size
Try picking the vertical height of the image. You'll find that as you rotate, the horizontal angle will change but your vertical angle will not. Next you'll want to filter out by hue and saturation...
(367 views, 4 replies)
Yesterday 10:59 PM
FIRST Power Cube Covers Available on Amazon
Would you happen to know where a pattern might be? My team is looking into sewing some ourselves. Thanks!
(4,285 views, 18 replies)
Yesterday 10:58 PM
Detroit: Airport to downtown transportation
You can get a bus from the airport to Down Town. I recommend using Google Maps. It will tell you what bus to get you to downtown. Here is a link to where you can get information:...
(543 views, 4 replies)
Yesterday 10:52 PM
How to Set Control Mode within new CTRE library?
The set function still serves the same purpose as before, setting the motor to a given speed, position, or other value. Just put it wherever you would have used that before, and then add the control...
(178 views, 1 replies)
Yesterday 10:45 PM
CAN Timeout Errors and Loss of DS Comms
Update number 2: Does not seem to be any issue if I create a new 2018 project and access the PDP in New code. In a default commandbase project if in disabledPeriodic I do: PowerDistributionPan el...
(151 views, 7 replies)
Yesterday 10:32 PM
Polycarbonate vs. Aluminum
This just isn't true. Our intake was the strength of our robot that year. When we touched the ball we were able to intake it quickly and reliably. We did have a major design flaw in that we did...
(8,459 views, 47 replies)
Yesterday 10:18 PM
Arcade Drive with Talons on the new Framework
Thank you for your reply. That was indeed the issue. I knew most of the other closed loop examples were for non-drivetrain motors, but got confused when motion magic did not have the arcade or tank...
(159 views, 2 replies)