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#1
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Re: pic: 1726 NURC robot prototype
Thanks Jon.
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#2
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Re: pic: 1726 NURC robot prototype
I wonder if you could use the vex rack and pinion parts? you'd have to make a support thingy for it, and the stuff that it's made to bolt to is all steel (or aluminum), but you might be able to make something from plastic.
http://www.vexrobotics.com/vex-robot...gear-kit.shtml also Lego comes to mind, I think they have some short stroke rack and pinion setups in some of the car sets? My son Steve might know, he still plays with Legos (and he's in college now) |
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#3
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Re: pic: 1726 NURC robot prototype
We made a quick little robot tour of our progress to date.
http://www.youtube.com/watch?v=IVfcqfdcpX8 We went on a shopping spree today and bought parts for the other additions to the team ( ) along with our new lighting system, some small 3watt apparently pre-watertight lights. Also, we finally took the 'bot for a test night swim and everything worked out perfectly, including the new "appendage" used for picking up objects!I'll try to get some image up soon in the gallery, but until then you can check out the video ![]() |
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#4
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Re: pic: 1726 NURC robot prototype
Quote:
We are in the process of making the new ROV for this year. We are calling it Amanda, Tell you the story later. Basically a slightly improved version of last years. We are also making a second ROV much smaller as an assistant. We will post pics soon. We hope to be in the water soon and test as well. Also, if you want strong magnets, break open non functioning hard drives and use those magnets, they are very strong and light! |
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#5
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Re: pic: 1726 NURC robot prototype
I finally put some night video on youtube
http://www.youtube.com/watch?v=TrQC1tjaLe0 Sorry it took so long! |
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#6
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Re: pic: 1726 NURC robot prototype
Quote:
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#7
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Re: pic: 1726 NURC robot prototype
How did you run both the video and the info for the VEX robot controller on the same tether?
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#8
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Re: pic: 1726 NURC robot prototype
Yes we are; we're using the twisted pairs of CAT-6 cable to prevent any interference, although we recently bought some more flexible cable for the miniROV with untwisted solid wires, and the signals work just fine on that tether.
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#9
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Re: pic: 1726 NURC robot prototype
The signal from the video camera goes up the tether on one twisted pair, while the signal from the vex transmitter goes down the tether on a different twisted pair. Network cable (cat5, cat6) has 4 pairs, phone cable usually has 2 or 3 pairs.
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#10
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Re: pic: 1726 NURC robot prototype
Ok cool. Are you using a webcame or one of those circuit board cameras(not sure what the name is).
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#11
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Re: pic: 1726 NURC robot prototype
We're using some board cameras from SuperCircuits. although of the 3 we bought, the last one didn't work, so we need to get some more.
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#12
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Re: pic: 1726 NURC robot prototype
Quote:
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