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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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4.8 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Comfortable, Breathable, and Worth Every Penny!
Size: King (104" X 90"), Color: 09 - Iceberg Green (No Comforter), Size: King (104" X 90"), Color: 09 - Iceberg Green (No Comforter)
I decided to switch from synthetic bedding to 100% cotton, and I am SO glad I did. The quality of this set is amazing. I washed everything before using it, and it washed well overall. There were a few small cotton fuzzies after washing, but nothing a quick lint roll couldn’t fix.
I ordered the sage green duvet cover and pillowcases, and the color is beautiful. In bright morning light it looks more like a true sage green, while in dimmer lighting it can lean more earthy or military green. Either way, it’s stunning, cozy, and really warms up the room.
The biggest difference for me was the sleep quality. I normally wake up several times a night and overheat easily, but the first night sleeping with this duvet cover and my new 100% cotton sheets, I slept completely through the night without waking up once. The cotton feels slightly heavier in the best way -- cozy and tucked in without feeling hot or suffocating. It was truly the best night's sleep I have gotten in a very long time.
I honestly didn’t realize how much fabric type could affect sleep quality until now. My body responded so well to the cotton that I don’t think I can ever go back to synthetic bedding again.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Color is off
Size: King (104" X 90"), Color: 15 - Petal Pink (No Comforter)
I ordered the petal pink, but the color is brighter and more peach colored than pictured. Besides that, it's super soft, easy to use and comfortable.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Zipper + Ultra-Soft Cotton = Love this Duvet Cover
Size: Queen (90" X 90"), Color: 01 - Natural White (No Comforter)
I just received this duvet and I couldn’t be happier. Right out of the packaging, the first thing I noticed was how incredibly soft the fabric felt—no stiffness or “breaking in” period needed. It has that cozy, breathable cotton feel that makes climbing into bed even more inviting.
One feature I especially appreciate is the zipper closure at the bottom. It makes inserting and removing the duvet so much easier compared to traditional button closures, and it keeps everything securely in place without any gaps.
The overall quality feels great, from the stitching to the fabric itself. It’s lightweight yet still feels durable, and it adds a clean, comfortable look to my bed. The one thing I would suggest is make sure you select the right "white" color. There's a bright white that I am going to order as the white I ordered "Natural" has a bit of a tan color in it against a bright white.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Clean crisp and easy to put on.
Size: King (104" X 90"), Color: 01 - Natural White (No Comforter)
Great price point for a 100% cotton duvet. Washes and dries well and the white is clean and crisp. I love the zipper closure and the corner ties. Very easy to put on.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Hotel-Quality Bedding Without the Price Tag
Size: Queen (90" X 90"), Color: 01 - Natural White (No Comforter)
I recently refreshed my second bedroom and needed new bedding, and this duvet cover came recommended by a friend who’s an interior designer for hotels—so my expectations were high. It absolutely delivered.
The fabric is incredibly soft and comfortable, and it instantly gave the room that clean, neutral, fresh look I was going for. It truly looks high-end and elevated, but without the high-end price, which was a huge win.
I’ve already shared the link with friends and family because it’s just that good. If you’re looking to upgrade your space without breaking the bank, this is a no-brainer. Highly recommend!
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Reviewed in the United States on April 16, 2026