Making the “Most Useless Device” ourselves

    Surely many of the habra-people have already seen the model of "The most useless device." Who does not remember, this wonderful device looks like this:

    Usually you want to try to do such entertaining things yourself ...

    The circuit of such a device can be quite simple:

    I used an ordinary model servo as an engine, removing the electronics from it and finalizing it to a constant rotation mode. The most difficult thing was with the case. Since I did not want to spend too much time on the venture, I decided to mold it from thermoplastic, it turned out to be quite practical and simple.


    Although of course my device does not have such a sophisticated look and the “finger” does not come out of the box, but it works and helps to relax throughout the day.

    Creation video:

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