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Unread 25-04-2016, 01:32
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5817 Pre-Champs Recap/Preview Video

Hey guys!

We decided to make a quick recap and preview video before champs started. It's been an excellent ride so far, meeting many amazing teams and winning some nice hardware. Here's to hoping our success continues in St. Louis this week!

Pre-Championship Video

We are looking forward to playing with some awesome teams in the defending champion Newton division. Let's take home the gold again guys!

P.S. This was put together by a tired high school student at 10:30 PM, so it isn't exactly a Hollywood production, but we think it's pretty nice.

P.P.S. Our 5-Ball Shoot Around was done on a nearly dead battery, so we might've been able to do it up to 10 seconds faster.
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My FRC History:

2014 - Team 1671: Central Valley Regional Finalist and Chairman's Award Winner, Sacramento Regional Finalist, Archimedes Quarterfinalist
2015 - Team 1671: Central Valley Regional Semifinalist, Sacramento Regional Semifinalist and Chairman's Award Winner, Newton Winner, Einstein Winner
2016 - Team 5817: Central Valley Regional Finalist and Rookie All-Star, Orange County Regional Quarterfinalist and Rookie All-Star, Newton Division
2017 - Team 5817: Return of the bench grinder



Last edited by Poseidon5817 : 25-04-2016 at 01:36.
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Unread 25-04-2016, 01:59
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Re: 5817 Pre-Champs Recap/Preview Video

It's so cool that a rookie team has one of the best implemented swerve drives I've ever seen in the year of a game where one's first thought for a drive system wouldn't be swerve. (unless you are team 16 of course)
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Unread 25-04-2016, 08:00
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Re: 5817 Pre-Champs Recap/Preview Video

Is that a blue light ring? I'd be worried about the blue lights on the tower interfering with your vision code. There was a team at Midwest who tried using red lights, and their code only worked when they were shooting into the blue tower.
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Unread 25-04-2016, 08:47
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by evanperryg View Post
Is that a blue light ring? I'd be worried about the blue lights on the tower interfering with your vision code. There was a team at Midwest who tried using red lights, and their code only worked when they were shooting into the blue tower.
Nope, it's UV. I was worried about it too, but we messed with the settings on the camera and got it to work great.
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My FRC History:

2014 - Team 1671: Central Valley Regional Finalist and Chairman's Award Winner, Sacramento Regional Finalist, Archimedes Quarterfinalist
2015 - Team 1671: Central Valley Regional Semifinalist, Sacramento Regional Semifinalist and Chairman's Award Winner, Newton Winner, Einstein Winner
2016 - Team 5817: Central Valley Regional Finalist and Rookie All-Star, Orange County Regional Quarterfinalist and Rookie All-Star, Newton Division
2017 - Team 5817: Return of the bench grinder


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Unread 25-04-2016, 09:12
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Re: 5817 Pre-Champs Recap/Preview Video

The lights are UV helps us get rid of the background lighting.

Also the intake will lower on the auto, the practice bot doesn't have the necessary feedback that the comp bot has on it. A new intake was designed to bring to OCR. And this one was recently built for the practice bot.
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Unread 25-04-2016, 09:22
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by Poseidon5817 View Post
Nope, it's UV. I was worried about it too, but we messed with the settings on the camera and got it to work great.
<Sarcasm>
Better give skin cancer to everyone behind the glass, right?
</Sarcasm>
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Unread 26-04-2016, 07:29
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Re: 5817 Pre-Champs Recap/Preview Video

Zinc oxide will be provided for teams opposing us lol
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Unread 26-04-2016, 08:53
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Re: 5817 Pre-Champs Recap/Preview Video

Wow, this is from a rookie team?? Yikes, our rookie year robot looked like a wooden box with wheels...

Are your students all rookies or were you formed from a previous FRC team?


...is that a carbon fiber frame?
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Unread 26-04-2016, 09:05
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Re: 5817 Pre-Champs Recap/Preview Video

I don't mean to take anything away from this great robot, but shining a UV light to target the high goal is a huge safety hazard. Even at low intensities, UV light can lead to skin and vision damage, and you're shining that light in a direction where opposing drive teams will be exposed to it. At the very least, make it very clear to your inspectors that you are using an ultraviolet light so they can make a proper determination of its safety.
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Unread 26-04-2016, 09:07
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by Chris is me View Post
I don't mean to take anything away from this great robot, but shining a UV light to target the high goal is a huge safety hazard. Even at low intensities, UV light can lead to skin and vision damage, and you're shining that light in a direction where opposing drive teams will be exposed to it. At the very least, make it very clear to your inspectors that you are using an ultraviolet light so they can make a proper determination of its safety.
We did at our last regional, and they allowed it.
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My FRC History:

2014 - Team 1671: Central Valley Regional Finalist and Chairman's Award Winner, Sacramento Regional Finalist, Archimedes Quarterfinalist
2015 - Team 1671: Central Valley Regional Semifinalist, Sacramento Regional Semifinalist and Chairman's Award Winner, Newton Winner, Einstein Winner
2016 - Team 5817: Central Valley Regional Finalist and Rookie All-Star, Orange County Regional Quarterfinalist and Rookie All-Star, Newton Division
2017 - Team 5817: Return of the bench grinder


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Unread 26-04-2016, 09:20
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by Chris is me View Post
I don't mean to take anything away from this great robot, but shining a UV light to target the high goal is a huge safety hazard. Even at low intensities, UV light can lead to skin and vision damage, and you're shining that light in a direction where opposing drive teams will be exposed to it. At the very least, make it very clear to your inspectors that you are using an ultraviolet light so they can make a proper determination of its safety.
At the intensity and wavelength we are running at the lights won't harm the opposing drivers. UV light gets a bad rep but it is used in a lot of applications, pretty sure there are a lot of people who go to nail salons which use UV light to dry nail polish.

The shot that we like to take (outerworks from the low bar) had issues because at our previous events there was a spotlight usually right near where we wanted to shoot, so our camera tracking wouldn't work. We could get it to work 100% on the middle goal near the middle of the field, but the bot was not designed to shoot from there. We wanted quick cycles.

We have a mentor who works in the frunit processing industry and knows a lot about UV light and vision systems that they use on fruit sizing and elimination equipment. Spotlights and other light sources don't emit much uv light at the wavelengths we are using, so the goals stand out like a sore thumb no matter what.
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Unread 26-04-2016, 09:23
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by Chris is me View Post
I don't mean to take anything away from this great robot, but shining a UV light to target the high goal is a huge safety hazard. Even at low intensities, UV light can lead to skin and vision damage, and you're shining that light in a direction where opposing drive teams will be exposed to it. At the very least, make it very clear to your inspectors that you are using an ultraviolet light so they can make a proper determination of its safety.
Just to be clear this is a UV light at 400nm. It is actually violet in the visible spectrum.
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Unread 26-04-2016, 09:26
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by apm4242 View Post
Wow, this is from a rookie team?? Yikes, our rookie year robot looked like a wooden box with wheels...

Are your students all rookies or were you formed from a previous FRC team?

...is that a carbon fiber frame?
It is actually 18 GA Stainless steel, powder coated matte black. Our practice bot is just a standard finish.

Myself and another mentor have about 9 years in FRC each. But the students are all rookies, we didn't have help from any of our local teams. We spent the offseason on training the first group of students and they have done a fantastic job.

Anyone who wants a closer look can stop by the pit at Champs and talk to the students they are very proud of their first season
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Unread 26-04-2016, 13:01
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by Springerman View Post
Just to be clear this is a UV light at 400nm. It is actually violet in the visible spectrum.
To build on this a bit, the threshold for directly damaging ultraviolet light is well under 400nm. Aquarists commonly use violet LEDs in the 390-430nm range to accelerate coral growth as it hits photosynthetic and fluorescent peaks. LEDs are made to peak in a very small nanometer range, so the amount of harmful UV light is negligble.
You face more danger from household fluorescent bulbs than you do from 400nm violet LEDs.
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Unread 26-04-2016, 14:06
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Re: 5817 Pre-Champs Recap/Preview Video

Quote:
Originally Posted by steelerborn View Post
It is actually 18 GA Stainless steel, powder coated matte black. Our practice bot is just a standard finish.

Myself and another mentor have about 9 years in FRC each. But the students are all rookies, we didn't have help from any of our local teams. We spent the offseason on training the first group of students and they have done a fantastic job.

Anyone who wants a closer look can stop by the pit at Champs and talk to the students they are very proud of their first season
Wow! Well done, 5817!
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