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Scoop.it!
If you’d like to experiment with ultrasonic levitation — making objects hover in mid-air using just the energy in sound waves! — you don’t need any scientific equipment, complicated control loop setups, or expensive kits. An Arduino, a stepper motor driver, and a repurposed distance sensor will do. 
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Scoop.it!
Patricia te muestra en este vídeo cómo hacer un levitador acústico usando Arduino. Con sus indicaciones puedes hacerlo tú mismo, ¡anímate y prueba a hacer levitar pequeñas bolitas de corcho o trocitos de papel!
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