This DIY Bluetooth speaker’s magical ferrofluid display reacts to the music
Reading Time: 2 minutesThis DIY Bluetooth speaker’s magical ferrofluid display reacts to the music Arduino Team — April 23rd, 2021 Ferrofluid is a special kind of liquid full of ferromagnetic particles, so it reacts to magnetic fields. Dakd Jung built a beautiful Bluetooth speaker that features a ferrofluid display driven by an Arduino. This Bluetooth speaker has a […]