Coach needs community's help

I received an email from Carlos who teaches a robotics program part-time in Merida City, Mexico. His team has a robot built that is a version of the TriBot from the NXT retail version. His team is also new to programming and the class is having a Sumo contest amongst themselves on Saturday. Carlos wants to provide a few programs for the students to install on their TriBots for the Sumo contest and he is asking for assistance from the NXT community. So, if you've got a short (or long) program that you think might help Carlos, please email your .rbt file to him at the following email address:

I'll email Carlos and ask him to watch this blog post - if you have questions for him, feel free to post a comment. I'll also encourage him to visit the repository at nxtasy. I'm certain Carlos will appreciate any assistance we can provide.

We probably won't be able to do this type of thing very often... maybe just this once. But I'm sure Carlos' students will be very thankful and they'll have some fun on Saturday!



Myles said…
Maybe some randomness? The US sensor wouldnt work reliably because your opponet may use it. (still keep it connected to interfere with the opponets US sensor)
Maybe something that makes it spin around a random amount of times and then goes forward until it reaches the edge of the ring.

Just an idea. . .
Anonymous said…
"(still keep it connected to interfere with the opponets US sensor) "

What, no gracious professionalism? :)
Brian Davis said…
Hah! This is *Sumo*... in this context, within the ring, "gracious professionalism" means not disassembling your opponent intentionally.

Brian Davis
David Levy said…
Carlos should have a look at the following Sumo videos for some ideas. There may be contacts on that site that can send some sample code.
AlexD said…
I had to deal with Sumo once, on the insistence of some 4th graders. Won't repeat the experience, too distastefull. But what I had them do as introduction to programming was build a remote control and drive by wire (literally, as we were using the old RCX). Programming the remote is relatively simple, so they get to have their fun and learn some too.
With the NXT one can try remote by bluetooth, like Philo's and others.

Autonomous chase in 2d could be difficult. A group in my college robotics class tried to do this and kind of made it work, but not too well. The robot would lock on anything too close and approach, other robot or wall or person. Can't tell them apart :-)

Now phonotaxis would be interesting. Approach by sound, each robot beeps and tries to locate the other's beep. But still difficult with the NXT sound sensors...


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