Pololu 3pi Line Maze Solving Robot

[@spambot7110]

ah back when geared brushed motors and AA batteries were as good as it got for hobby robotics

[@Casperdroid5]

Actually. Triple A

[@pithlyx]

actually something i saw in a recent video is that those batteries get their voltage multiplied then metered back down to 9 volts so essentially those batteries give full and consistent voltage till they are dead, but also this is more about the programming aspect of the robot.

[@TheRealKitWalker]

It was 12 years ago!! Woah!! My mind is blown dude! Fantastic! 👏👏👏😵🤯😎✌️👏👏👏🍾🎉

[@ashokkumar5581]

I saw this video in 2009 and bought the bot today. 13 years of passion.

[@jonnys.3529]

Very nice robot and programming! I wonder how many years it will be when this video gets recommended again by youtube's algorithm.

[@Franx-bd8om]

To solve the problem with the loops you could try to make the bot create a map of all parts of labyrinth he passed and when he is on a new knot he could eliminate lines which will take him to his previous positions.

[@jlui213]

that's pretty amazing. i'm impressed.

[@Paul-nw3ej]

I want to see the coding behind this. It's amazing

[@Scoonezy132]

Very clever! However, I have a question: if there are multiple routs to the centre and it learns both, how does it judge which to go down? If they both have the same amount of turns, how does it work out which is best?

[@kutsy3785]

It doesnt learn two paths. Like he said, its literally left leaning meaning that it will hug left wall until a successful path is solved, thats the only path it will know.

[@dpatulea]

This is nice! Easy to understand what it does, but hard at implementation. Cool stuffs! :)

[@anigamusuk02]

I see your algorithm... thanks a lot dude

[@cadoo]

480p for 14 years ago is almost as impressive as the robot!

[@tzkelley]

What does the robot do if it can't complete the first pass in the time alloted? The original rules for line maze (using 1/4" tape instead of 3/4") made it very difficult to complete a first pass in only one run.

[@WizmoMagic]

very impressed. Love it!!!

[@istiaqansari4321]

how did you remembered where to accelerate and break before the turn. how did you stored the distances and time and things like that? could you give some suggestion about that? and also the perfectly smooth and quick turning. please

[@JP-vi9mw]

i would make one a bit higher, to scan 360 for the end, and make it jump to it haha

[@aakash512]

how is the robot able to speed up on the straight path in the 2nd round without using any kind of encoders?

[@Avirup171]

Are you following the depth first search algorithm? And your sensors are mindblowing. Also what motors are you using? Normally DC geared motors low torque don't stop at the moment when we signal them to.

[@AkshayAradhya]

+Avirup Basu Its a pre built robot, he just had to code it. You can buy that robot here : www.amazon.com/gp/product/B003XGJ3XS/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B003XGJ3XS&linkCode=as2&tag=intorobo-20

[@OctaRudin]

+Avirup Basu well. you have same problem with me, he use metal geared motor and i use small dc motor low torque with plastic gear. i think that is the problem. so we can use metal geared motor and i think that is strong enough to make robot turn left or right at the moment.

[@tanmayvadhera4250]

@@AkshayAradhya he actually made the company which sells those lol

[@Qwedvit]

i'm aMAZEd!

[@kunalgarg8200]

how do you balance the bot against giggling?

[@MetaphoricMinds]

How would I get one of those. And do they all do that or do you have to program it.

[@ขนิษฐาส่งสว่าง]

do you have program ? can you give me ?

[@rahulchanda5239]

hey dude.. i m using QTRsensor array and builded a bot.. but i m not getting how it stores in memory..means how it gets the shortest path... i m not getting to solve maze if there are multiple loops by left and right hand algorithm

[@pogo7052]

I would love to see the code behind this wonderful creation 😍... How is it storing the best path...

[@Francesco105590]

Hello, how do you put music in the intersections? can you send the code? thanks

[@OuttaSyllabus]

How does is accelerates on straight paths... I'm making one... any solution or logic or reference?

[@Blue_]

That's awesome! =D

[@ReyhanehHashemi-ov3xb]

Hi i have question about line flower robot pelease help me

[@SocialNetwooky]

impressive speed, but does your algorythm if there is more than one possible path?

[@SumRandomDewd]

So the maze only shows the paths.

[@fortunateolifant2389]

how is it turning coz clearly it wasnt using its wheels to turn

[@Rainstorm029]

That is so amazing!!!

[@vaibhavgovind104]

Which algo is using here ?

[@jasonbenfrin]

Great work!

[@KawsarAhmed-hm7wm]

can I have its code and hardware design please ?

[@jufermoflo134]

Hi, i need to make a project with a LeGo mind storm, and it's a maze solver with same conditions, can you help me with this problem? thank you

[@psdbalamurugan]

super video................ Can you provide program for this maze?

[@josearherrera07]

Real life aplications for this? (Serius question )

[@pedropaiva1898]

AI

[@traqtion9779]

I know I'm late, but you could search damaged houses after victims with the algorithm or drive a autonomous car with it

[@harshit-blabber]

Which motors are you using ? Please provide their specs.

[@MykelOkuboyejo]

Depth First Search Algorithm ? This is just beautiful!

[@uniq_nk]

check out this one kzbin.info/www/bejne/l5esZ3h3brOqj68

[@balkrishnaarora8776]

Hi Which simulation software is used for checking maze solving algorithm

[@keyboardbasher5769]

Does it use recursive backtracking?

[@nawnitsen1387]

it's amazing how u did that??i mean how it came back and goes on other path?will u pls send the program

[@raghavendraghooli5762]

Awesome. great job on it

[@gamefreak615]

one question can you some how a make a case for the robot so his body parts dont show up. other than that... GENIUS

[@uniq_nk]

check out this one kzbin.info/www/bejne/l5esZ3h3brOqj68

[@slayversayto8177]

how can i build it ??

[@arundoylenka5705]

Can someone please help me to build such a robot?(i don't wanna use the 3pi hardware, maybe something new we can design)

[@sanuga_dinhas]

Please let me know if you are still interested in this

[@TheGamePixelz]

The only issue is, what if the path directly left of the start was another way to get to the end and was faster? It wouldn't know and therefore would be slower than possible.

[@turrboenvy4612]

Perhaps it should either perform a second mapping with right-hand turns, or, once it's found the end to turn around and keep mapping until it can reasonably believe it has mapped everything.

[@MiltonBendukidze]

did you make this?

[@SABARMOWER]

where can buy this program ?

[@pubudunavod5510]

It's Pretty Awesome Man !

[@TedRobotBuilder]

This isn't the std 3pi code you can download from Pololu is it? Is this code available for download somewhere? Thanks!

[@thebhAmA1]

would you mind sharing your code for line-following

[@nshimiyimanaaimefaustin6896]

4th robot contest for UP and others.kuri 28/03/2013 ikazabera ikigali In the last Robot contest held on March 24, 2012 Tumba College of Technology (TCT) wan in car programing while Umutara Polytechnic (UP) excelled in line-tracing car. Robot Contest is an annual competition originally from Japan in 1988, for university, college and polytechnic students. Kenya has invited Rwanda-TVET institutions to participate in Kenya robot contest which will take place in May this year.

[@yogalisti1779]

Sir, would you like to share this source code? Please....

[@Francesco105590]

Hello, you could send the code of the maze solving who also play in the intersections, as seen in the video, for my 3pi;

[@ReyhanehHashemi-ov3xb]

Hi i have question pelease help me

[@DxCrepp738]

Thats cool! how did you make that?

[@Pilot_the_Dune]

The birth of iRobot, the vacuum cleaner.

[@MiteshBanka]

Can you share the code please?

[@bozokaizoku]

And this was 14 years back...

[@-DivineRadiation-]

That things a litteral genius

[@MusculosoDigital]

why do i keep imagining this bot is somewhere in the backrooms searching the exit

[@1.99pac7]

Amazing! 👍

[@sonisrivastava8159]

How to make it plays tell

[@BulKathos84]

nice project!

[@susantkumarrath6798]

Can I get the code?

[@ImpossibleRulesDeepakbeniya]

Hlo where can i get the code

[@dhananjaypatel5900]

plz send the code.

[@bonbonpony]

Can it also figure out which place of the labyrinth it has been put in the second time? Or can it only re-follow the same path learnt previously? (so that it has to be put exactly at the same starting position to succeed the second time)

[@arthosytg]

Hi Bon Bon how's it going with Lyra nudge nudgeX3

[@jessebrabander4274]

Bon Bon it just ingores all the right lines and goes into all the left lines ... it can solve any maze exept mazes with a loop

[@bonbonpony]

Jesse Brabander Hahah loops, the Nemesis of all smart-asses who tried to solve my mazes the brute-force way ;) I always put two loops around the starting point, one for the left wall, one for the right wall ;)

[@indrajitghosh6031]

I want to build it too can you give me some reference website>>??@BenPololu

[@N0-s0yunb0t]

aun que no lo crean, el problema de ese robot es muy simple tiene puras condicionales sobre condicionales

[@NoorquackerInd]

Wait, this solderable?

[@NoorquackerInd]

Never mind, I don't like this

[@danielguevara9357]

wowww dude impressive

[@tmc200527]

I wonder how you could program it to go back from the end position to the beginning from what it has learned? Would you just reverse all its stored data?

[@jessebrabander4274]

eTechTom he just made it ingnore all right lines and flow all the left lines you can solve any maze woth the exeptions for loops

[@giulianoattardi6756]

Whauuu!! Bravissimo. Di dove sei? Io sono italiano.

[@theharmont7390]

Ваш робот двигается только по левой стороне лабиринта.Поле не содержит кольцевых трасс, но если бы такие присутствовали, то я думаю, что робот бы двигался по кругу. Your robot only moves on the left side of the maze. There are no circular paths on the field, but if there were, I think the robot would move in a circle.

[@pro100gaming4]

Я также подумал, но это было 12 лет назад, за это время можно было бы не только эту проблему решить

[@NoBody-jm9ly]

I am really looking forward to build such a bot for my own. Can you share your source code or probably the literature and references that you followed for building your own robot. That will be of great help to me. Thanks for considering my request.

[@dbolan]

I know I'm 4 years late, but they put a link in the description for buying the model of robot they used: www.pololu.com/product/975

[@airsp]

AMAZING !!!

[@griflet1]

could he figure out loops?

[@MeikaKosake]

if you notice, robot just using the left wall rule. He just turn left, when it possible. That's all sorry 4 my english, i'm just russian nerd :D

[@dinezeazy]

hei urs so simple and very efficient. i also did 1 follower its not much efficient as yours and not able to get your speed at al.and how much big you codded for this

[@josiah-006]

Thats pretty sick

[@adityasadhukhan618]

Wow it’s amazing

[@expchrist]

amazing

[@atraveller4277]

the robo be doin side quests first

[@Phenom0100]

This reminds me of Dijkstra's shortest path algorithm!

[@ryanhruska6667]

That is crazy cool 😲

[@ПєсковІгор]

Secret passage labyrinth: a left turn first primary

[@zakariaatifi3106]

+Пєсков Ігор you are a dangerous boy

[@ПєсковІгор]

+zakaria zatifi why?

[@zakariaatifi3106]

i passed all my day trying to understand the secret, but you gave me a great help, how smart is you

[@ПєсковІгор]

+zakaria zatifi for some reason it was easy for me. I'm glad you helped my tooltip.

[@zakariaatifi3106]

are you a programer or something ?

[@tyxas]

cute little bugger!

[@ZILOGz80VIDEOS]

it's too bad it's not compatible with ti-basic.

[@nealtomlinson4530]

Very cool

[@jp.franca]

Very cool! :-)

[@mahmoudhesham7176]

Awesome

[@bhavanabhavana8415]

How to make maze car say me please

[@2nandhinia815]

Say me how to make

[@Aya-ld2dk]

U can do it by ARDUINO. u will find a lot of videos in youtube

[@aitu6834]

Nice :D

[@mragw]

awesome !!!!!!

[@chetean12]

14 years ago

[@masrifchannel]

Wow cool

[@monarosebarrientos]

amaziiiiiiiiiiiiiing :D

[@uniq_nk]

check out this one kzbin.info/www/bejne/l5esZ3h3brOqj68

[@MetaphoricMinds]

Also it would be great for searching lost people in a Haunted maze....(sigh it happend to me)

[@CombustibleLemon72]

That's kinda cool.