Lego NXT – start here

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Was it our robot-building skills? We build mindstorm stuff maybe hours per YEAR. Was it our coding skills? We do have experience coding. Was it because we the adults work at Lego?

A clear goal, a bit of research, and lots of integration testing! First we set a goal. Nevertheless, I convinced them to start in small steps. We knew nothing about these kind of competitions so we started by looking at some youtube clips to see what kind of designs and strategies people were using.

That gave us some ideas. We had our candidate! Time to train him up. The original SmartBot was gradually stripped of sensors and stuff and became DummyBot — our training dummy. Not just once, but repeatedly.

So we went through a bunch of cycles of integration testing and tweaking the hardware and software. We kept failing over and over often in funny waysbut every iteration we got a bit closer to winning. One interesting thing happened nxt mini sumo bot instructions the way. We noticed on the youtube clips that many robots tried to lift and topple their enemies. So Dave built a pretty elaborate construction for that, and I helped write the code to control the lifter. In theory it was awesome, in practice it was useless.

We wanted to keep Robit simple and focused on one thing — putting up a proper fight! We figured that would help us get under the wheels and push nxt mini sumo bot instructions topple the opponent. Nothing unique, most robots have something like that in the front. However it was hard to get the right angle of attack.

So the software needed some work. A simple algorithm that turned out to generate a pretty advanced behaviour! We were four people in the team — Dave and Jenny, me, and Lars. As for my role, well, it was mostly coaching. I did end up writing most of the code, but that was in tight collaboration with the kids. The big learning for me is how incredibly important and powerful it is to iterate fast! And to do end-to-end integration testing early and often. The usual agile stuff in other words.

So when Robit entered the arena he was already an experienced battle-scarred nxt mini sumo bot instructions Initially I was hesitant to give it away, since we might compete again.

Woooow, soooooo fun to read about this. It must be times more fun to do this with your own kids and get some of their energy. I remember mentoring 4th year engineering teams building robots that would navigate a maze and put out a candle.

The simplest algorithm and approaches generally won; the more complicated approaches generally broke down fairly quickly. Wow I had no idea it was this new and this involved — Jenny and David were awesome and I just assumed they had been doing it for years! Your email address will not be published. Crisp's Blog from the Crisp Consultants. Posted on by Henrik Kniberg. Tags conferencegotocphnxt mini sumo bot instructionsrobots. Subscribe to comments via RSS. Nxt mini sumo bot instructions a Reply Cancel reply Your email address will not be published.

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Robot-sumo , or pepe-sumo, is a sport in which two robots attempt to push each other out of a circle in a similar fashion to the sport of sumo. The robots used in this competition are called sumobots. The engineering challenges are for the robot to find its opponent usually accomplished with infrared or ultra-sonic sensors and to push it out of the flat arena. A robot should also avoid leaving the arena, usually by means of a sensor that detects the edge.

The most common "weapon" used in a sumobot competition is an angled blade at the front of the robot, usually tilted at about a degree angle towards the back of the robot. This blade has an adjustable height for different tactics. The robots usually have to fit in a one-foot cube. Classes are further divided into remote-controlled and autonomous robots.

Also, there might be a tethered category varies. Sumo robots are built from scratch, from kits or from Lego components, particularly the Lego Mindstorms sets. Some sumo bots are built with only wood and motors for more of a challenge. The usual size for the wood is 12" by 12".

It makes it hard to construct a really large robot with this piece of wood. From Wikipedia, the free encyclopedia. This article includes a list of references , related reading or external links , but its sources remain unclear because it lacks inline citations. Please help to improve this article by introducing more precise citations.

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