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search: Posts Made By: pafwl
Forum: Java 09-11-2016, 11:18
Replies: 1
Views: 302
Posted By pafwl
Looking for 2017 Java/C++/Labview FRC Beta team to present at seminar in Philadelphia

I am running our annual FIST Boot Camp seminar on Dec. 11, 2016 at the Comcast Center in Philadelphia. I am looking for someone to host a session on this year's beta code. Any takers?...
Forum: General Forum 28-12-2015, 15:32
Replies: 0
Views: 833
Posted By pafwl
Comcast FIRST Bootcamp

Back on Dec. 12th, 2015 Comcast and Lansdale Catholic Cybercrusaders Team 272 held the FIRST Bootcamp Seminar (http://frc272.com/events-2/seminars/) attended by 261 students and mentors from...
Forum: Programming 28-12-2015, 15:11
Replies: 33
Views: 5,606
Posted By pafwl
Re: How to: Teach java?

You can access sample code and a presentation from our Comcast FIRST Bootcamp. I presented a section on JAVA/C++. I has a review of Java basics and it presents a method to build your robot code on....
Forum: Java 28-12-2015, 15:10
Replies: 4
Views: 2,421
Posted By pafwl
Re: Teaching new programmers FRC Java

I am a 19 year mentor for team 272, Lansdale Catholic Cyber Crusaders.

You can access sample code and a presentation from our Comcast FIRST Bootcamp. I presented a section on JAVA/C++. I has a...
Forum: General Forum 13-04-2015, 11:30
Replies: 82
Views: 14,656
Posted By pafwl
Re: MAR Regional Champs

Team 272 Lansdale Catholic Robotics would very much like to attend St. Louis. We are meeting tonight to hash it all out.

Congratulations and thanks to all teams for an exciting event. We had a...
Forum: Technical Discussion 27-01-2015, 22:35
Replies: 24
Views: 3,732
Posted By pafwl
Re: Mecanum wheels under varying loads

With the unpowered omni in the middle I am guessing that you may have issues getting over the humps.

Are you using Andy Mark or VEX?
Forum: Rules/Strategy 16-01-2015, 12:17
Replies: 22
Views: 3,246
Posted By pafwl
Re: Autonomous Strategy

I agree with the original premise. Middle robot pushes to landmark. Somewhat easy.
Right robot goes to landmark and drops at 8-10 seconds. Back ups.
Left robots goes to landmark by 12 seconds and...
Forum: C/C++ 04-03-2012, 15:03
Replies: 26
Views: 2,649
Posted By pafwl
Re: Changing parameters on the fly?

We do this all the time. We have many variables that we can adjust all the time.
you can see the code as part of our 2010 code.

http://www.frc272.com/seminar/Archive/.

We call the LCConfig.cpp....
Forum: General Forum 03-07-2011, 23:48
Replies: 133
Views: 21,239
Posted By pafwl
Re: Michigan, be honest, how is the district model?

FIRST has already said they want the same rules to apply to all districts. Otherwise how can they manage the computer system for registration.

To some extent I agree with this position but we can't...
Forum: General Forum 01-07-2011, 12:50
Replies: 133
Views: 21,239
Posted By pafwl
Re: Michigan, be honest, how is the district model?

I am very impressed with the responses. You all get it. Now a few points...

Q: Why have a geographic "district" in the first place?
A: Management. FIRSTs computer system cannot take many...
Forum: General Forum 29-06-2011, 17:24
Replies: 133
Views: 21,239
Posted By pafwl
Re: Michigan, be honest, how is the district model?

What about the idea that you could switch one of your district events with another team. Call it a time share swap. You both register for the district event in your area, then you contact the other...
Forum: General Forum 29-06-2011, 17:19
Replies: 133
Views: 21,239
Posted By pafwl
Re: Michigan, be honest, how is the district model?

Brilliant responses...

Can you comment on the competitions themselves? Did you feel they were any less exciting or less satisfying because they were not as splashy or glitzy as the pre 2009 events...
Forum: General Forum 29-06-2011, 13:13
Replies: 133
Views: 21,239
Posted By pafwl
Michigan, be honest, how is the district model?

I am part of Mid Atlantic Robotics a new 501 c3 non profit recently created to look into the district model in NJ, DE and Eastern PA. I know folks are working very hard on this.

Can you be honest...
Forum: Technical Discussion 15-03-2011, 12:56
Replies: 62
Views: 6,573
Posted By pafwl
Re: Robots not under driver control- does it happen- do you determine why?

We were in New Youk over the weekend and had 2 instances of comm problems. We are using C++, no CAN, 4 victors and 1 jaguar all PWM controlled, no camera.

The first time it happened in prelims. We...
Forum: Programming 24-02-2011, 12:33
Replies: 29
Views: 4,381
Posted By pafwl
Talking Re: Did you automate any robot processes (in teleop)?

We built our own string potentiometer that uses a 10 turn pot to tell us the towers height. Using that as a starting point, our hotrod-tube-picker-upper is positioned based upon how high the tower...
Forum: Programming 21-02-2011, 06:15
Replies: 3
Views: 1,107
Posted By pafwl
Re: Holometric Drive Pseudocode?

I believe the code is exactly like Mecanum drive. We have code we use for this. The nice thing is you can modify the values to your liking. You pass in Power, Direction and Turn. We use a single...
Forum: Extra Discussion 20-02-2011, 22:31
Replies: 13
Views: 3,506
Posted By pafwl
Re: pic: Miss Daisy 10

Brilliant!!!
Forum: Robot Showcase 20-02-2011, 22:27
Replies: 2
Views: 639
Posted By pafwl
272 Minibot Deployment

We have some slo-mo analysis of the deployment.
Working hard to get it right.

http://www.frc272.com/2011Season/MiniBot_1_Slow_Motion.wmv

http://www.frc272.com/2011Season/MiniBot_2_timed_run.wmv
Forum: Technical Discussion 11-02-2011, 07:43
Replies: 17
Views: 2,852
Posted By pafwl
Re: Mecanum Drive Killing Battery

We have used Andy Mark 8" Mecanum wheels, direct drive on Andy Mark Tough boxes in 2008, 2010, and we will use them again ths year. If you are killing your battery it is not the fault of the wheels....
Forum: Electrical 25-01-2011, 23:13
Replies: 8
Views: 978
Posted By pafwl
Re: Potentiometers to the cRIO, what resistance?

I tried the old one tonight. It worked. I am using the AnalogModule Get Average function. I was getting a range of 46 to 969. Then the potentiometer broke.

Someone on this thread said it best, you...
Forum: Electrical 25-01-2011, 13:49
Replies: 8
Views: 978
Posted By pafwl
Re: Potentiometers to the cRIO, what resistance?

If I use the AnalogModule->GetAverage. That should take the spikes out, Yes/No?

I use that for my IRSensors.
Forum: Electrical 25-01-2011, 13:06
Replies: 8
Views: 978
Posted By pafwl
Re: Potentiometers to the cRIO, what resistance?

Gents thank you for your speedy reply...

If I already have a 100k 10 turn pot that I may or may not have used in the past (2005) on a tower and it worked well, what is the difference between using...
Forum: Electrical 25-01-2011, 12:52
Replies: 8
Views: 978
Posted By pafwl
Potentiometers to the cRIO, what resistance?

On the old platfrom (pre 2009), we used 100K ohm potentiometers connected to the analog inputs on the robot controller.

On the cRIO what resistance do I get? 100K ohms or 10 K ohms. I looked...
Forum: C/C++ 24-02-2010, 17:52
Replies: 19
Views: 2,353
Posted By pafwl
Re: Tank Drive is backwards

The invert is the answer. Forget about the colors. If you add 1 gear the direction is reversed. Add 2 reversed again.

The Joystick is -1 for full forward. It does not make sense except at a binary...
Forum: C/C++ 12-02-2010, 12:49
Replies: 9
Views: 2,052
Posted By pafwl
Re: Camera Instance Problem

I am having that problem too. I installed the update (4.2) to fix my DashboardLCD which worked great but it broke the camera. I removed the camera references and I am good.

I updated the thread we...
Showing results 1 to 25 of 108

 
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