In the past few years, we have covered plenty of cool levitators that let you float water droplets, insects, and other tiny things. Of course, if you know your science and Arduino, you can always build your own. This Micro Ultrasonic Levitator can be made with an Arduino, a stepper motor driver, and a repurposed distance sensor.
More gadgets like this: here
Micro Ultrasonic Levitation Device
The project is based on ultrasonic transducers. You can only float tiny objects with it, but it’s a fun project to try.
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