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Description
Magnetic Suspension Kit with 12V Power SupplyMagnetic Suspension Kit with 12V Power SupplyFeatures:. Scientific Toys: Including shell stand and 12V power supply, using plug in components, need to be assembled by yourself. Provides tutorials and techniques. It is an extremely cool technological ornament on your desk and an excellent teaching aid for physics and electromagnetic experiments.. Principle: The pull up magnetic levitation is mainly composed of coil, magnet, bracket, Hall sensor and
Magnetic Suspension Kit with 12V Power SupplyFeatures:
.Scientific Toys: Including shell stand and 12V power supply, using plug-in components, need to be assembled by yourself. Provides tutorials and techniques. It is an extremely cool technological ornament on your desk and an excellent teaching aid for physics and electromagnetic experiments.
.Principle: The pull-up magnetic levitation is mainly composed of coil, magnet, bracket, Hall sensor and drive circuit. When the magnet is close to the Hall sensor, the Hall sensor senses the change in the magnetic field and outputs an analog quantity to the amplifier circuit for amplification. This value is used for pulse width modulation. When the magnet and suspended objects fall away from the sensor due to gravity, the sensor outputs The value increases the duty cycle of the voltage on the coil, and the magnetic force of the coil increases, thereby pulling the magnet and suspended objects. Conversely, when the sensor is very close, the output value of the sensor reduces the duty cycle of the coil voltage, and the magnetic force of the coil is weak. Magnets and suspended objects rely on their own gravity to move away from the sensor. By continuously adjusting the duty cycle of the coil voltage, the magnet objects are suspended.
.Placed Suspended Objects: First connect the power supply, then hold the magnet and slowly approach the coil from below the coil. When the distance is 2 cm, the attractive force provided by the coil can be sensed, and then let go after it stabilizes. If the magnetic force is not enough, you can adjust the circuit The blue adjustable resistor on the board is used for debugging, clockwise is to reduce the magnetic force; counterclockwise is to increase the magnetic force, the magnet should be adjusted to the best position, the magnetic force should not be too large or too small, just can pull the magnet. , Otherwise it will jitter.
.Note: Do not allow the magnet to be attached to the coil when the power is on, otherwise the circuit board will be easily damaged. Unsuccessful release of the float for a long time will cause a large instantaneous current inside the circuit board, and the temperature of the transistor and coil will increase. It is recommended that if the float is not successfully released for 8 times, unplug the power supply and try again after cooling down. Keep magnets away from electronic devices such as mobile phones and computers.
.Creative Gifts: Teaching aid models suitable for students and teachers, as well as excellent toys for technology enthusiasts. As a creative surprise gift, give it to family and friends.
.Age: 14+
Specifications:
.Color: As Shown
.Material: Electronic Components + Acrylic
.Suspended Weight: 200g Max
.Suspended Distance: 2cm Max
.Power Supply: 12V/2A
.Power: 2-5W
.Product Weight: 300g
.Package Dimensions: 20 x 15 x 12cm
.Package Weight: 700g
.Packing: Box
Package Content:
.1 x Magnetic Suspension Kit
.1 x Outer Shell Stand
.1 x 12V Power Supply
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Top of the line, best pillows Ive ever had
Color: White-cooling Basic, Size: Queen(Pack of 2)
These pillows are top of the line! I bought them in 2024 and they are still fluffy. When they lose a little fluff, you just punch em around a little bit and voila, like new again. They have kept their shape cery well and do great for cooling. I haven't had to add more filling yet either. I just laid my head on one and thought, I need to do a review cause everytime i lay on these pillows its like clouds. My head is heavy and this is relief :-D
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Reviewed in the United States on May 21, 2026
★★★★★ 3
Weird smell
Color: White-cooling Basic, Size: Queen(Pack of 2)
The pillows are great for someone looking for something cool and comfortable. We loved them so much that we bought a second pair. However, we were seriously disappointed with the odor of our last purchase. They give off a strong and indescribable chemical/burning plastic smell so nauseating that it’s difficult to sleep with. We’re hoping this issue will resolve with a couple more washes of the pillow cases, but am worried the source is the stuffing itself.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
helped treat my sore neck
Color: White-cooling Basic, Size: Camping Pillow(Pack of 1)
This pillow — after dialing in the right amount of shredded foam — has greatly helped my sore neck. Initially, I had to remove some foam. Then I gradually added foam until it reached optimum comfort and support.
It is also CPAP-friendly — especially when I position my head near the pillow's edge. (I am a left-side sleeper.)
I like the travel size because I use a bulky hugging pillow to ease stress on my shoulder and elbow. That makes my side of the bed feel cramped if using a larger head pillow. A smaller pillow is easy to flip end-to-end in the middle of the night.
I have spent lots of money on pillows over the years, but this is the best I've ever had for relieving [1] neck pain and [2] CPAP mask seal problems. Very comfortable, supportive, and affordable.
I did not notice any unpleasant smell — and I am usually sensitive to that kind of thing.
Would highly recommend.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Love them!
Color: White-cooling Basic, Size: Queen(Pack of 2)
Love them! After 10 years with our MyPillows, they finally lost their fluff. The reviews I read of the MyPillows of today were not good; they didn’t have as much filling as they used to. These pillows remind me of how fluffy our new MyPillows were 10 years ago!! You sink right into them and can mush them however and they stay. These are way cheaper than the Coop and it’s the same concept; add or remove the filling as needed. The cooling side is a huge plus too! You won’t be disappointed with these pillows!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Soft and smooth cover
Color: Grey, Size: Body（20"X 54"）
This is a nice pillow cover overall. The fabric feels good and it's comfortable to sleep on, especially compared to a more basic cotton cover. It is maybe a little thinner than I expected, so if you want something thick and heavy this probably isn't that. But for a soft smooth cover that fits and feels decent, I think it's worth it. No major complaints from me after using it.
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Reviewed in the United States on May 16, 2026
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