Tiny transforming beer can robot


The next time you reach for a cold one, you might want to take a look at the can to ensure that your beer won’t suddenly sprout legs and start skittering across the table.

You might remember [Ron Tajima] from some of his previous creations, including this Roomba-based baby cradle and the PacMan Roomba mod. This time around, he has created a cool little transforming robot that fits inside a beer can.

The robot’s brains are stored just underneath the top of the beer can on a custom-built board. On one side of this board, you will find an mbed controller which is used to manage all of the robot’s functions, and on the other side, four batteries provide all of the device’s power. The robot’s three legs are controlled by six servos, allowing for movement in several different planes. The beer-bot’s movements are controlled with a Wiimote, so we’re assuming he has crammed a Bluetooth module somewhere in there as well.

[Ron] mentions that it moves a bit slowly when standing on end, but we think the robot is pretty awesome as is, and we can’t wait to see what improvements the next version might bring.

Stick around to see a video demonstration of the robot in action.

[Thanks Sascha]


  1. Ray says:

    That was awesome!
    I’m eager to see the next revision. ^_^

  2. Droose says:

    I’m reminded of the cookie bots from “Despicable Me”.

  3. Arduitter says:

    Robots are nothing but awesome when built by japaneses (hope he’s japanese).

  4. DanJ says:

    How awesome to grow up in a household like that.

  5. Hirudinea says:

    Man, this could do more to cure alcoholism than AA!

  6. matt says:

    he should so change it to six legs, then it could walk properly rather than shuffling

  7. Meh says:

    What would you think if you went to grab a drink and it just up an walked away from you!

  8. xorpunk says:

    looks like a lot of milling and 3d printing went into it. I’d like to see this quality in more stuff.

  9. Zotman says:

    Don’t you mean boogie robots?

  10. aaroneiche says:

    Wow. Can anyone say “Robots in Disguise”? This is a really cool project.

  11. Zoidberg says:

    I love the sand-shaking noise the robot makes while walking <3

  12. gman says:

    Um, how so? I would think it would have the opposite effect considering some beer company is probably gonna buy it and us it in a commercial.

  13. strider_mt2k says:

    That is so impressive.
    That boy is lucky to be in that house. Just imagine the magic he’s going to create.

  14. xiuix says:

    Impressive, I like the sound it makes while walking.

  15. Neolith Cassidy says:

    YES! That is awesome… so jealous of the kid, what a dad!

  16. K!P says:

    More than meets the eye! *bwoopbwoopbwooptss*

  17. Eirinn says:

    @K!P haha that made my day *bwoopbwoopbwooptss*

  18. Dino says:

    Now it just need to be able to deliver BEER! :) Nice!

  19. GameboyRMH says:

    In Japan, beer brings you a robot! :P

  20. Bench says:

    Thats’ looks very much like an Arduino Nano on top to me!

    Correct me if I’m mistaken


  21. Sam says:

    Sugoi ne!

  22. gq1 says:

    wow i this thing is crazy my dad had one of these when i was a child it was a coke can that turned into a robot, it was all plastic like but i remeber how amazed i was the first time i saw it

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