Video

Some of the robots used a laser-cut acrylic chassis. You can see more information about most of them in the blog posts linked above.

I am not sure what specifically you are proposing, so it is difficult to comment on how it would work. Our reflectance sensors should be responsive enough to work at high speeds, so more significant than changing sensors is optimizing your robot geometry and control algorithm. If you need help with your robot, you might try posting to our forum: forum.pololu.com/

You can find a write-up on Brandon's robot here: www.pololu.com/blog/547/brandons-mini-sumo-robot-black-mamba

Sure! This is a challenging task, but it should be doable with a variety of robotics platforms. Note that on the hardware side, wheel encoders are almost essential, and on the programming side, you'll need to do a lot of advanced array manipulation.

These robots all use motor drivers, which allow you control the speed and direction of the motors using signals from a microcontroller.

Could you please help me with the code?

@@avijitpal1421 For help with code, please post to our forum: forum.pololu.com/

Hi Todd. We have some example code for solving a maze without loops here: www.pololu.com/docs/0J21/8 Sections 8.d and 8.e discuss how to record, store, and simplify the robot's path through the maze. Looped mazes like the one in the video above are more difficult to work with, and unfortunately, we don't have any documentation or example code for them. However, one of our engineers did share his own code for solving a looped maze with a 3pi robot in this forum post: forum.pololu.com/t/3pi-looped-maze-solver/3269/3

You can see links to the write ups for some of the featured robots in the video's description above (to display the full description, click "SHOW MORE"). If you have specific questions about our products, you can post questions on our forum: forum.pololu.com/

We just updated the video description with links to blog posts about some of the robots in the video.

There are many factors that can affect the speed of a line following robot and which of those are reasonable or convenient to adjust depend on the specifics of your robot. If you post more detailed information about your line follower (e.g. what motors you are using, how you are supplying power, diameter of your wheels, etc.) on our forum, we can help you there: forum.pololu.com/

We used Challonge to make our competition bracket: challonge.com/

This video's description section has a link to our blog post about the competition. That blog post has links to other posts about the individual robots where the code for some of them is shared.

Glad you liked it! We used stopwatches and verified later with the video footage.

We do not have any recommendations for where you can buy line following courses, but here is a guide we have written for making your own course: www.pololu.com/docs/0J22/all

None of the line following code for the robots in the competition that used Arduinos is available. However, to get started on your own program you might consider reviewing the line following example for our Zumo 32U4 Robot, which has the same microcontroller as the Arduino Leonardo. The example line following sketch is called LineFollower.ino, and it is a part of the Zumo 32U4 Arduino library: github.com/pololu/zumo-32u4-arduino-library If you have specific questions about that code, please post to our forum: forum.pololu.com/

@@pololupeople which motor are used for LFR

@@magarajanamagarajanarunach6661 These line followers all use different motors, though most of them are probably using some version of our Micro Metal Gearmotors. For a specific example, Ben's robot, Mostly Red Racer, uses the medium power 30:1 gearmotos with 70mm wheels and is powered at 9V. (The 9V is through a regulator, not from a 9V battery, which wouldn't be a good choice for a robot because of its small current capacity). Here are the motors and wheels: www.pololu.com/product/2364 www.pololu.com/product/1426