Antenna was about 20m of random wire coil on a sound card, recorded with Friture.

  • einfach_orangensaftOP
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    10 days ago

    There isnt 3-phase mains going into the device, but i assume is uses a 3-phase brushless motor with a driver circuit for speed control

    • A_Union_of_Kobolds@lemmy.world
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      10 days ago

      Yeah could be, that would make sense. I confess, I haven’t opened many of them up.

      With the frequency jumps I’d say you’re right