Forum: Programming
11-06-2016, 21:40
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Replies: 61
Views: 4,916
Re: swerve drive with arduino mega 2560
Scott - I believe the Servo library uses a timer and software to generate the PWM signal, so it is independent of the hardware generated PWM pins.
Becky – Getting back to one of your older...
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Forum: Programming
08-06-2016, 22:02
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Replies: 61
Views: 4,916
Re: swerve drive with arduino mega 2560
Becky,
Assuming you still have the speed controllers wired up the same way you had in your picture earlier, I think Scott is on the right track. It looks like you have your speed controllers...
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Forum: Programming
07-06-2016, 10:52
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Replies: 61
Views: 4,916
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Forum: Programming
02-06-2016, 19:56
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Replies: 61
Views: 4,916
Re: swerve drive with arduino mega 2560
Becky,
First off, I think this drive system is an great choice for a first swerve system. Having the steering modules linked together, as well as speed, will make things much easier from a...
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Forum: Programming
01-06-2016, 14:31
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Replies: 61
Views: 4,916
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Forum: Programming
31-05-2016, 21:30
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Replies: 61
Views: 4,916
Re: swerve drive with arduino mega 2560
Hi Becky,
I just ran through an installation of the Arduino software (I needed to upgrade anyway) and downloaded to a Mega and will list the steps that I went through to get it to work (there may...
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Forum: Programming
27-05-2016, 10:54
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Replies: 61
Views: 4,916
Re: swerve drive with arduino mega 2560
Running a full swerve system on an Arduino is certainly possible, but it may be more of a challenge than you would like to take on. The biggest issue with the Arduino is that it does not have a...
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Forum: Pneumatics
11-02-2016, 14:48
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Replies: 4
Views: 837
Re: Smaller Pnuematics Storage Tank
Speaking of smaller air tanks, does anyone know where we could purchase a plastic air tank in the 300-400 ml range? (a link would be great!)
Thanks,
Mike
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Forum: Technical Discussion
10-02-2016, 10:07
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Replies: 28
Views: 4,786
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Forum: Technical Discussion
13-05-2015, 20:43
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Replies: 40
Views: 5,742
Re: Best Sensor for Unlimited Rotation Swerve
Joe,
I think the "No gaps in sensor feedback" relates to the use of some potentiometers (and other sensors) like this one (http://www.bourns.com/data/global/pdfs/6637.pdf). While they are...
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Forum: Regional Competitions
10-04-2015, 13:12
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Replies: 6
Views: 2,024
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Forum: Off-Season Events
06-04-2015, 15:02
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Replies: 227
Views: 29,786
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Forum: General Forum
30-03-2015, 09:24
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Replies: 56
Views: 9,193
Re: Eliminations replay card
For this year's game, you could implement a similar "best 2 out of 3" in semi's by only taking the average of the alliances two highest scores (drop the lowest). This would allow for a single bad...
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Forum: Electrical
09-03-2015, 10:43
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Replies: 8
Views: 2,302
Re: Decoration, preference for LEDs
Adafruit now sells what they call DotStar addressable LED strips which you should be able to control with the RoboRIO. I have not used them myself.
Mike
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Forum: Java
26-02-2015, 10:42
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Replies: 13
Views: 1,659
Re: Gyro's angle value going up
Gus,
The EVAL parts can be ordered singularly at $50 or $70 depending on the model. Look near the bottom of the web page.
Mike
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Forum: Java
26-02-2015, 10:17
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Replies: 13
Views: 1,659
Re: Gyro's angle value going up
Gus,
If you are looking for a replacement for the old KOP gyro, either the EVAL-ADXRS642Z (http://www.analog.com/en/products/mems/mems-gyroscopes/adxrs642.html#product-samplebuy) or the...
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Forum: Java
25-02-2015, 15:36
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Replies: 13
Views: 1,659
Re: Gyro's angle value going up
Gus,
I've used similar gyros in the past and was not happy with their performance. In my experience, the Analog Devices gyros seem to give much better results. It's certainly possible that the...
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Forum: Electrical
23-02-2015, 08:00
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Replies: 8
Views: 2,402
Re: LED Strip Power
I've used this (https://www.pololu.com/product/2866) successfully in the past.
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Forum: Pneumatics
02-02-2015, 14:49
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Replies: 4
Views: 846
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Forum: Pneumatics
29-01-2015, 11:07
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Replies: 48
Views: 8,982
Re: Help Calculating time to recharge air tanks
I think the error you are making is that the CFM compressor performance values you are using are at the inlet to the compressor, not the discharge. The compressor does not put out 0.53 cfm @ 60 psi,...
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Forum: Rules/Strategy
03-01-2015, 22:39
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Replies: 262
Views: 55,583
Re: The Noodle Agreement
Another potential "fix" using red and blue noodles is to have +4 for your noodles in the opposing alliance zone and -4 for your noodles in your own zone.
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Forum: Electrical
03-12-2014, 21:58
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Replies: 8
Views: 2,568
Re: Help with Andymark LED strip
I can't tell from your pictures, but it looks like you may be using two separate power supplies without a common ground. Try connecting the grounds together and see if that works. Without a common...
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Forum: Technical Discussion
15-09-2014, 10:06
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Replies: 67
Views: 19,393
Re: Best gyro for frc.
I had a opportunity to test several different gyros (from two different manufacturers) on an FRC robot for a personal project and like the others, I would recommend the Analog Devices gyros. The one...
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Forum: Java
13-08-2014, 09:11
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Replies: 12
Views: 2,218
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Forum: Motors
19-06-2014, 15:29
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Replies: 3
Views: 5,514
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This is going to be leet. Or something like that. I can't wait. - Billfred [more] 
