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-   -   Cold Cathode Lights Legal??? (http://www.chiefdelphi.com/forums/showthread.php?t=34129)

Mike AA 07-02-2005 17:07
Re: Cold Cathode Lights Legal???
 
Quote:
Originally Posted by Dave Flowerday
Something else to consider: we used a couple of these on our driver's controls a few years ago and found out that they can really interfere with the radio modems. It was bad enough that we didn't dare leave them on during a match and instead just had them on when we were transporting the robot. You'd hate to have your robot lose communications with your OI in the middle of a match just because of a fancy decoration!
I second that. I have some CCFL around and occasionally when I use them I get static amongst my other electronic things. I would more suggest someone use LEDs or simply not use anything but the required LEDs. Why waste the weight.

-Mike

devicenull 07-02-2005 18:17
Re: Cold Cathode Lights Legal???
 
That seems to me to be making the robot change color.. I'm not sure how someone else would see it. I don't have a problem with what your using them for, because its not trying to effect the other teams camera.. Which is the "spirit" of the rule, but the "letter" of the rule seems to state otherwise.

I would hope its legal, because that would be pretty cool, and easy to see.

Jeff K. 07-02-2005 21:34
Re: Cold Cathode Lights Legal???
 
Quote:
Originally Posted by Sscamatt
What if you had 2 sets of lights. One set blue and one set red and you changed it to whatever alliance you were on?

Ya that's exactly what we were planning on doing.

AdamHeard 07-02-2005 21:51
Re: Cold Cathode Lights Legal???
 
Quote:
Originally Posted by Dave Flowerday
Something else to consider: we used a couple of these on our driver's controls a few years ago and found out that they can really interfere with the radio modems. It was bad enough that we didn't dare leave them on during a match and instead just had them on when we were transporting the robot. You'd hate to have your robot lose communications with your OI in the middle of a match just because of a fancy decoration!

The reason they interfere is that the inverters that power the cathodes are poorly shielded. This can be fixed by making shielding of your own, I've used tin foil to shield them before with no problems.

robotjoe 08-02-2005 13:52
Re: Cold Cathode Lights Legal???
 
Quote:
Originally Posted by magnasmific
Technically, this violates the "non-functional" part of non-functional decoration. We considered doing this as well, but we see the rule as I have described. Perhapse you forget to change the color? This is probablly just something FIRST dosn't want to have to deal with. I would suggest putting a question up in Q&A.

-axe

yeah, i remember you telling us this.

phrontist 08-02-2005 16:14
Re: Cold Cathode Lights Legal???
 
Quote:
Originally Posted by cromat44
The reason they interfere is that the inverters that power the cathodes are poorly shielded. This can be fixed by making shielding of your own, I've used tin foil to shield them before with no problems.
Copper is supposed to be really awesome for sheilding, espescially if you ground it.


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