Simple Bots: Scoop

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Introduction: Simple Bots: Scoop

About: My name is Randy and I am a Community Manager in these here parts. In a previous life I had founded and run the Instructables Design Studio (RIP) @ Autodesk's Pier 9 Technology Center. I'm also the author ...



There are so many Simple Bots that sweep and scrub, that I felt it only appropriate to make one that picks up after them. Scoop does just that. It pushes itself around and systematically scoops up whatever lies in its path. Well... maybe "systematically" is too strong of a word to use in describing it, but it definitely gets an A+ for effort. If there is one thing that Scoop Bot wants to do more than anything else in this world, that is scoop. There is not a man, woman, ice cream server, or investigative journalist alive, quite as dedicated to scooping.


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Step 1: Go Get Stuff

You will need:

(x2) continuous rotation servo modified for direct drive**
(x1) 3 x AA battery holder
(x1) dust pan
(x1) 12" aluminum ruler
(x2) casters
(x10) 4-40 x 3/8" nuts and bolts
(x8) 10-24 x 3/4" nuts and bolts
(x8) rubber feet
(x1) assorted zip ties

**Modify your servos for direct drive here

Step 2: Attach

Firmly zip tie the servos to the handle of the dust pan such that they are pointing out opposite each other.

Step 3: Remove and Drill

Remove the servo horn from the servos.

Drill 1/8" holes into each of the corners of the servo horn.

Step 4: Cut

Cut two 3-1/2" sections of ruler.

Step 5: Mark and Drill

Place the servo horn along the edge of one of the sections of ruler. Make a mark in each of the four mounting holes. Repeat for the second section of ruler.

Drill 1/8" holes where each of these marks were placed.

Step 6: Drill Again

Take each section of ruler and place a centered mark 1/4" from the edge on the side that has not been drilled yet.

Where this mark was made, drill a 1/4" hole.

Step 7: Reattach

Reattach the servo horns to the servos.

Step 8: Fasten

Fasten the ruler sections to the servo horns using 3/8" nuts and bolts.

Step 9: Remove the Wheel

Remove the wheels from the caster brackets by unscrewing the nut that is holding them in place.

Step 10: Spacers

Take apart a ballpoint pen.

Cut four 1/2" spacer tubes out of the pen's body.

Step 11: Caster Time

Fasten the caster mounts to each of the aluminum brackets by using the spacers you just made to center the aluminum bracket on the caster shaft.

Step 12: Rubber Feet

Using 3/4" nuts and bolts, fasten a rubber foot to each of the caster mounting holes.

Step 13: Drill Some Holes

Line up the battery holder with the inside back wall of the dust pan and use the holder's mounting holes as guides for drilling two 1/8" holes.

Also, drill another 3/16" hole nearby to pass through all four of the motor's wires.

Step 14: Attach

Fasten the battery holder to the dust pan with the remaining two 3/8" nuts and bolts.

Step 15: Wire It Up

Connect the red wire from the servo on the left  to the black wire of the servo on the right.

Connect the remaining two black and red servo wires togethe,r as well.

Finally, attach the first pair of wires to the red wire of the battery pack.

Attach the other pair of wires to the black wire.

Note: if your feet are spinning backwards when you power it up later, reverse the connections of the battery wires.

Step 16: Tidy It Up

Zip tie all of the wires neatly together, making certain that none of the exposed solder joints can touch together and short the bot.

Step 17: Power It Up

Put batteries in and watch Scoop do what it does best!

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    24 Discussions

    That's so cute! But it doesn't really look like it cleans anything...

    I am trying to make one like this that has a built in algorithim so it can actually scoop up garbage.

    You could add a PING)) ultrasonic sensor so that it can automatically scoop without bumping and breaking stuff.

    You should do a video instructable on your "studio" where you make these instructables. Your pictures are always really good with that white background.

    OH MY GOD!
    this is the best cleaner robot for all :-)
    LOL
    i think you are so lazy. is it true? ;-)

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    but this is very good..

    Awesome project! I was so inspired by this project that I bought your book on iBooks. Can't wait for it to finish downloading!

    1 reply

    ITS VERY GOOD BUT HEAVY DUST ITS NOT GIVE INSIDE.......... ITS VERY NICE COSEPT.........

    For more money you could add an ultrasonic range finder and an uno and that would be more efficient? Or program it to follow a specified course, but that would be about $70 more?