Introduction: Simple Bots: Scrub

As part of my effort to make our life easier through robotics, I have made a low-cost cleaning bot called Scrub Bot. This state of the art cleaning robot is great at polishing floors and shining glass tables (provided that you soap it up first). It also disperses small particulates evenly across your floor in such a manner that your home may look cleaner than it actually is. That's not all! Thanks to its unique non-patented frisbee design, Scrub Bot allows you to easily add all of your favorite thingamajigs and what-nots directly to the bot without wondering where to put them. Create a circuit to toggle each motor independantly for a more "intentionally driven" effect. What are you waiting for? Make one today! Everyone, but your pets, will thank you.





Step 1: Go Get Stuff

You will need:

(x1) Frisbee
(x3) Scrubber brushes
(x3) Adjustable tracks
(x2) Computer fans (of the same size)
(x1) 9V battery connector
(x1) 9V battery
(x6) 1-1/2" bolts
(x18) nuts for 1-1/2" bolts
(x6) 1/2" bolts and nuts
(x1) a bunch of small zip ties

Step 2: Drill Holes

Drill holes in the end of each scrubber brush such that you can later bolt on the adjustable track parallel along its length.

You can use the ends of the track as a drilling guide.

Step 3: Attach the Track

Place 1-1/2" bolts down through the adjustable track such that the middle slider part is facing upwards.

Insert one or two nuts to space the track off of the scrubber brush in such a way that the middle slider can move freely.

Insert the bolts into the hole on the scrubber brush and fasten it on with another nut.

Step 4: Mark for Drilling

Place the slider bracket flush with the edge of the frisbee and make marks for drilling.

These marks should be made in such a way that it splits the frisbee into even thirds.

Step 5: Drill

Drill holes in the frisbee with an 1/8" drill bit.

Step 6: Fasten

Flip the frisbee upside down and tightly fasten the middle sliders to the frisbee using 1/2" nuts and bolts.

The brushes should now be acting to create a tripod to support the frisbee.

Step 7: Vibrating Motors

Turn your fans into vibrating motors by cutting off some of the fan blades.

You should try to avoid making them evenly symmetrical by cutting off the fan blades in a different pattern on each fan. This will give it a little bit more of a unique mobility.

Step 8: Zip Tie

Zip tie the 9V battery between the two fans such that the fan brackets are facing inwards and the rotors are facing outwards, such that they can spin uninhibited.

Also, you may want to consider connecting them together in such a way that the wiring on each motor, is roughly across from each other.

If done right, the 9V battery should be held firmly in place and the motors should spin freely.

Trim off any excess zip tie bits when you are done.

Step 9: Wire It Up

Cut off the motor connectors. Strip back the wire insulation and twist together the red wires from both fans with the red wire from the battery connector. Do likewise with all of the black wires.

You may want to solder them and cover them with electrical tape for a more reliable connection.

Step 10: Drill More Holes

Drill a series of 8 holes such that you can later pass a zip tie through the frisbee and through each corner of the fan motor and then back through the frisbee.

Use your fan assembly as a guide for drilling the holes.

Step 11: Put It All Together

Zip tie each corner of the the fan assembly to the frisbee using the holes you drilled in Step 10. Trim off the excess zip ties when you are done.

Step 12: Get Going

Plug in the battery and you are ready to clean.

Placing the brushes in differing positions creates different patterns of motion.

Try experimenting.

Comments

author
AayushiJ2 made it! (author)2016-10-15

Where to get this adjustable track easily??

author
FaithN11 made it! (author)FaithN112016-11-05

Search up Stanley Universal Friction Lid Support or search up adjustable lid supports

author
Denisyan made it! (author)2016-07-26

Hey, is there a video showing how this scrub bot works?

author
AlanaS7 made it! (author)2016-05-15

i made it for a science project

author
randofo made it! (author)randofo2016-06-07

Cool! Do you have a picture of it?

author
AlanaS7 made it! (author)AlanaS72016-06-10


No, sorry, i forgot to take a photo of it and it is getting marked at the Victorian state science thing! I got into state level with this project. Thank you so much. I changed a few things like:we couldn't find the tracks, so we used velcro, then the velcro wouldn't stick th=o the frisbee properly, so we had to drill the velcro to the frisbee, then we added another battery because it wasn't moving enough so we added the extra battery. I got an A+ for school and got the best out of our school and got to state level, thanks again for making this!

author
randofo made it! (author)randofo2016-06-12

Cool. Glad you made it work for you.

author
taco dog made it! (author)2011-12-29

I'm having trouble finding "scrubber brushes" that aren't like to big can you tell me where you got yours?

author
AlanaS7 made it! (author)AlanaS72016-05-15

I got mine from bunnings hardware

author
AlanaS7 made it! (author)AlanaS72016-05-15

I got mine from bunnings hardware

author
AlanaS7 made it! (author)2016-05-04

hi, awesome bot, i was making it for my science talent search for school and couldn't fine the adjustable supports on the online ace hardware! I need something by the 18th of May Australian time, so just wondering if anyone had anything i could use instead of the adjustable tracks or something simple to make in that time! Thanks

author
SamikshaR made it! (author)2016-01-16

can the adjustable tracks be replaced by something else?

author
realjasonderulo made it! (author)2015-12-06

i dont get this

author
realjasonderulo made it! (author)2015-12-06

somebody help me

author
jason derulo made it! (author)2015-10-26

it took a while but i did it

F019WVWGXGHL1XA.MEDIUM.jpg
author
realjasonderulo made it! (author)2015-10-04

would it be better if i add another Frisbee on top to cover up the fan just in case of emergencies and id so how would i add it on.

author
realjasonderulo made it! (author)2015-09-29

it was awesome

author
albert.cristoper made it! (author)2015-03-03

How much volt on your Computer fan?

author
dessa_kazune04 made it! (author)2011-01-07

is there another name for the adjustable tracks?
or any substitute ?
cause i've been to ace hardware and they dont even know what that thing is.
it's really hard to find it here in philippines.

author
randofo made it! (author)randofo2011-01-07

It is called an adjustable support. They are use for things like holding up chest lids that pivot upwards or window panes.

It appears to have Ace part #5300421

Here is a photo.

P1070052.JPG
author
erwin.sevilla made it! (author)erwin.sevilla2015-01-06

How much is this?

author
dessa_kazune04 made it! (author)dessa_kazune042011-01-11

thanks a lot!

author
erwin.sevilla made it! (author)2015-01-06

Except for the frisbee what other can i use?

author
erwin.sevilla made it! (author)2015-01-06

where can i buy frisbee and adjustable tracks help for my science project i'm in the Philippines?

author
DhiruDhole made it! (author)2013-05-24

hey brother where will i get adjustable tracks

author
randofo made it! (author)randofo2013-05-24

I got mine from Ace Hardware. They are used for windows to allow them to open a little and lock in place.

author
saifuddin.najmi made it! (author)saifuddin.najmi2014-10-11

I did not find it in Ace Hardware.

author
ade souza made it! (author)2013-05-01

the reason it will not move is because 1.there maybe too much friction between the surface and the brushes. 2.the air flow through the fans are not configured correctly. try using some stability for it -- and reorient the fans

author
ade souza made it! (author)ade souza2013-05-01

http://www.flickr.com/photos/58556129@N04/8698474814/

author
damato32 made it! (author)2011-07-17

I just finished mine, and it doesn't move too much. I've loosened the slider tracks, tightened them, repositioned the brushes a few different ways, but nothing I try will produce movement more than a couple inches, at most. Nothing at all like the video posted here. Any suggestions?

author
ade souza made it! (author)ade souza2013-05-01

http://www.flickr.com/photos/58556129@N04/8698474814/

author
tan123 made it! (author)tan1232012-01-12

Try bending the bristles back, or trimming them on a slope so the front bristles are slightly shorter than the back ones.

author
85_DaRkBlOod_69 made it! (author)2012-02-02

We had made the scrubber as a model for our science project.....
I just wanna know all about scrubber to defend our model like why does it moves or turns ,etc...
Plssssss. I need your help!

author
randofo made it! (author)randofo2012-02-02

Also, post a picture of your bot so we all can see!

author
randofo made it! (author)randofo2012-02-02

What about it do you think makes it move and turn? What do you think would happen if you had not broken off the fan blades?

author
ihavenolastname made it! (author)2011-11-18

i don't have a adjustable track...wat else can i use instead of the tracks?

author
ihavenolastname made it! (author)2011-11-18

i don't have a adjustable track...wat else can i use instead of the tracks?

author
ayodeji made it! (author)2011-11-01

can i use a vibrator motors found in mobile phones

author
randofo made it! (author)randofo2011-11-01

Those are much too small. Try some of the motors inside of motorized back massagers.

author
jdseagull made it! (author)2011-10-23

instead of cutting the blades of the fan placing them adjacently and connecting them with opposite polarity will make them rotate..Any improvements in this???

author
randofo made it! (author)randofo2011-10-23

You can't easily reverse the polarity on computer fans. They are not designed to be reversible.

author
ShashankPH made it! (author)2011-10-03

Instead of adjustable lid supports, can I use anything else

author
randofo made it! (author)randofo2011-10-03

Yes! Improvise. See what works for you. There is no right answer. I just went with what seemed to work at the time.

author
damato32 made it! (author)2011-07-26

Here's my bot. This one doesn't move much at all. Any ideas why?

5948705178_96d892e8e3.jpg5948151439_226abf278d.jpg
author
randofo made it! (author)randofo2011-10-03

Nope. No clue why. Maybe the screws aren't holding it firmly enough to the frisbee and the vibrations are not being translated down into the brushes? It is hard to say. It appears to be built correctly.

author
ceeceemerto made it! (author)2011-07-21

what happens if you only use one fan instead of two fans?

author
randofo made it! (author)randofo2011-07-21

Two fans create competing vibration patterns. It will still work with one fan, there will just be less of a dynamic vibration/motion.

author
ShashankPH made it! (author)2011-06-24

Nice Thing but can I use 1 Computer Fan ?

author
sandchica made it! (author)2011-05-01

Those adjustable supports can be found on google by looking up "adjustable lid supports". They are mainly used for storage trunks and things like jewelry box lids.

author
burnerjack01 made it! (author)2011-04-05

How long does the battery last? Seems like a big draw on a little battery.

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Bio: My name is Randy and I founded the Instructables Design Studio. I'm also the author of the books 'Simple Bots,' and '62 Projects to ... More »
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