Ferrofluid was invented to move liquid fuel in zero gravity environments using magnets. These days many are using it to visualize audio. We have covered a bunch of ferrofluid visualizers here. Take the FerroBeat for instance: it is an audio visualizer that uses this magnetic fluid. It reacts to your music, voices, and ambient sound. It has Bluetooth 5.3, link-in, and SD card options.
The FerroBeat comes with a 10W full-range driver. You don’t need an app to get this speaker to work. This audio visualizer runs on a 6000mAh. You can find this project on Kickstarter at this time.
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