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Description
DIY Acoustic Levitation Electronics for Standing Waves DemonstrationDIY Acoustic Levitation Electronics for Standing Waves DemonstrationFeatures:. FeatureWorking voltage12V; Size42mm X 26mm X 53mm(H); Suspended object: foam ball; Button K1 K2 not support (Reserved function) .. The new PCB is changed to octagon. LED (red) power indicatorwhile LED (yellow and green) ultrasonic suspension indicator. The output voltage amplitude is 24V, measured with a multimeter, and the AC file is about 33. 9V. The suspended foam ball
DIY Acoustic Levitation Electronics for Standing Waves DemonstrationFeatures:
.Feature：Working voltage：12V; Size：42mm X 26mm X 53mm(H); Suspended object: foam ball; Button K1 K2 not support (Reserved function) .
.The new PCB is changed to octagon.LED (red) power indicator，while LED (yellow and green) ultrasonic suspension indicator.The output voltage amplitude is 24V, measured with a multimeter, and the AC file is about 33.9V
.The suspended foam ball is stable, Ultrasonic probes are matched to ensure that they float successfully every time.It can still levitate after lying down. It has strong levitation ability.and the strong hands-on ability can provide the self-welding of the loose parts.
.Mini Acoustic Levitator: This is a mini ultrasonic levitator device that can suspend foam balls. The device is composed of a MCU STC15W, a driving chip TC4427EOA and two 16mm 40KHz ultrasonic probes. Mainly used for students or DIY electronics enthusiasts to learn about ultrasonic standing wave levitation.
.Working principle:Ultrasonic standing wave levitation is through the existence of a certain distance between the ultrasonic transmitting end and the reflecting end (or another transmitting end) (called the distance of the resonant cavity), the transmitted wave and the reflected wave (or another sound wave) are continuously superimposed and finally form a stationary Wave, the sound wave force received by the object at the node of the standing wave overcomes the effect of gravity and finally achieves the effect of levitation.
.Note: Harmonics are easy to be generated after ultrasonic superposition, resulting in squeaking sound, which can be solved after the distance is extended, but it will lead to poor suspension ability.
Specifications:
.Color: As Shown
.Material: Electronic Components + Copper + Resin
.Product Dimensions: 4.2 x 2.6 x 5.3cm
.Product Weight: 200g
.Package Dimensions: 10 x 10 x 10cm
.Package Weight: 300g
.Packing: Carton Box
Package Content:
.1 x Mini Acoustic Levitation
.1 x 12V DC Power Adapter
.1 x Small Net Spoon
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4.3 ★★★★★
Based on 1706 reviews
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Product Reviews
★★★★★ 1
Not sewn together well
Color: Can’T Be Tamed, Size: 9.5" h x 8" w x 4.5" d, Color: Can’T Be Tamed, Size: 9.5" h x 8" w x 4.5" d
Back seam ripped open within the first 30 seconds of giving it to my dog.
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Reviewed in the United States on March 5, 2026
★★★★★ 3
Puppy loves! Supposed to be part of a set though??
Style: Coconut Tree
Bought this simply because we named our puppy Coco and was on a roll ordering her toys… she ended up absolutely LOVING this tiny palm tree!! Maybe because of the size and she was able to really handle it, she takes it everywhere with her and loves the squeaker. HOWEVER, the item is a lot smaller than I expected when ordering for almost $10 and the plastic packaging it came in says “not intended for individual sale, part of a pack” so I would not purchase from this seller again. I will maybe try to find this included with the intended set of toys.
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Reviewed in the United States on May 28, 2022
★★★★★ 2
It IS very small
Style: Coco-Nut, Style: Coco-Nut
I did not read the description and just saw 7.5 inches which usually is a pretty good sized toy BUT this is 7.5 inches circumference. They did state this in the product description but not a usual measurement so I missed it. Just wanted others to know what they are getting for $9.
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Reviewed in the United States on July 3, 2023
★★★★★ 1
Tiny Cheap Toy
Style: Coconut Tree, Style: Coconut Tree
It is way smaller than advertised and is maybe worth $0.50 cents. Only appropriate for toy breeds who do NOT chew.
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Reviewed in the United States on September 24, 2024
★★★★★ 1
TINY!!!
Style: Coco-Nut, Style: Coco-Nut
This toy is about 3 inches. My dogs would eat it in one bit. It got returned.
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Reviewed in the United States on April 7, 2022