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2D stepper motor etched on PCB - micro manipulator

It is compatible with standard stepper motor diver, cnc or GRBL shield, direct replacement of X-Y stepper motors.

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It is compatible with standard stepper motor diver, cnc or GRBL shield,
direct replacement of X-Y stepper motors.

With flexible boards you can partial move in Z axe :-) if you warp board.
Magnet is moved only in horizontal X-Y space. It can push small object, I have no way
now how to pick and place object or I have no communication and feedback from robot.

Feedback is possible with camera or hall sensors under board, also there is way
to communicate with bot over NFC/RFID with coil under board... untested now

you can move only one magnet, more magnets move paralel, but you can
divide moving space to zones and use more robots etc. parking zones if you have more
magneboots with different tools

My latest design use 0.6mm board but this is very fat,
bottom trackers are weak compared to top trackers

I have plan make only tracking part from flex and controller as normal 1.6mm board

5x5mm moving magnets 4pcs x 2mm magnet.

Article about this project: 2d-linear-actuator-works-like-an-unrolled-stepper-motor

Article in Russian language https://habr.com/en/post/451180/

Last version is compatible with standard stepper motor diver, cnc or GRBL shield, direct replacement of X-Y stepper motors.

Latest Speed and repeatibility in one dimension is very good.

One dimension simplified version is here: ant-highway-precise-linear-circular-motor

Check My 2D version with another coil configuration

https://hackaday.io/project/154496-2d-actuator-move-micro-robot-in-xy-2d-space

  • 1 × PCB Magic PCB
  • 4 × 2mm N52 magnet
  • 1 × stepper motor driver CNC shield, GRBL or ramps board
  • 1 × NOTHING more !!!!!

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Discussions

Trevor Johansen Aase wrote 4 days ago point

Are you going to be focusing more on this version than the mBot version? By using a stepper driver you get the fine controls of microstepping managed for you at least! I was thinking you can use Kapton on FPC material and stretch it on a LEGO frame, would help with the bottom layer strength issue.

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bobricius wrote 2 days ago point

Yes I am focused now on this version, I have plan for simple/easy/cheap mBot version with Attiny84

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Meek The Geek wrote 05/09/2019 at 20:50 point

I want to see something like this in a braille display.

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ekaggrat singh kalsi wrote 04/16/2019 at 02:13 point

y is this called a 2.5 d? really cool work .. If you could control 2 robots simultaneously it would make a cool clock. i hae always wanted a minimilistic clock with just 2 circles moving about on a surface ! 

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bobricius wrote 04/16/2019 at 06:48 point

if you wave flex board you can can move in Z position of course this more joke than practical. you can not control 2 elements now, but you can separate board to more zones. I have no purpose now for this because I have not solved something like "hand" it can just push objects :( if it can carry smt component ... it can be amazing pick and place, but I have no idea how to do.

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saipraveen wrote 04/11/2019 at 09:21 point

Well implemented. Neat ! Any plans of making it open source ?

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bobricius wrote 04/11/2019 at 10:52 point

Yes, if I win TOP20 in Hackaday prize 2019 :)

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deshipu wrote 04/16/2019 at 09:26 point

Don't the rules of the prize require you to open source it?

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bobricius wrote 04/16/2019 at 10:41 point

Of course, I will publish all the documents, but now I have to keep people doubt. ... In end of May. I have not tested latest design.

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Daren Schwenke wrote 04/08/2019 at 21:11 point

You had me at Lego. #P1 - Lego compatible drag feeder The project is pretty neat too.  :)

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Hamish wrote 03/24/2019 at 19:43 point

Did you notice heating issues in this design when you run it for a longer period of time? What about actuating more than one magnet independently? 

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Alexander wrote 03/23/2019 at 00:11 point

I love 2D magnetic robots! Hope to see more details posted (:

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