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Product Description:
The levitator operates at a frequency of 40KHZ in the air, and can capture light objects with a density of 2-3MM in diameter, such as foam balls, ants and other tiny objects that are suspended in the air for a long time, and the main board is slightly heated. The circuit is mainly composed of a single-chip microcomputer, a driver chip and two ultrasonic transmitters. It is mainly used to learn about ultrasonic standing wave levitation.
Working principle: Ultrasonic standing wave levitation is a certain distance (called resonant cavity distance) between the ultrasonic transmitter and the transmitter (or another transmitter), and the continuous superposition of the transmitted wave and the reflected wave (or another sound wave) finally forms Standing wave, the acoustic wave force received by the object at the node of the standing wave overcomes the effect of gravity, and finally achieves the effect of suspension.
How to play: Clamp the small foam ball with tweezers, gently put the foam ball between the two ultrasonic probes, and the foam ball will be suspended.
Product Parameters:
Power input: DC 12V (0.5-1A) power supply is optional
Appearance size: length 44 mm * width 40 mm * height 66 mm
Product weight: 22 grams in bulk
DIY Parts Shipping List:
Upper PCB board 1
Lower PCB board 1
Ultrasonic Transmitter T 2
M2*4 screw 5
M2*7 double-pass copper column 2
M2*39+3 copper column 2
M3*6 screw 5
M3*15 double pass nylon post 4
25V 33UF-100UF 1
DC005 seat 1
104 monolithic capacitor 2
4.7K resistor 1
3MM LED red hair red 1
1117-5.0 regulator chip 1
STC15F104W (burning program) 1
TC4427 1
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