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Product description:
This is a mini ultrasonic levitation device that can suspend foam balls. The device consists of a single chip microcomputer, a driver chip and two ultrasonic probes. Mainly used for students or DIY electronics enthusiasts to learn about ultrasonic standing wave suspension. Controlling the up and down movement of suspended objects is not currently supported.
Working principle:
Ultrasonic standing wave suspension is that there is a certain distance between the ultrasonic transmitting end and the reflecting end (or another transmitting end) (called the resonant cavity distance), and the transmitted wave and the reflected wave (or another acoustic wave) are continuously superimposed to form a standing wave. The acoustic wave force on the object at the standing wave node overcomes the effect of gravity and finally achieves the effect of suspension.
Feature:
Power input: DC12V
Appearance size: 40*40*70mm
Weight: 26g
Package list:
| Comment | Designator | Quantity |
| SMD STC15W104 SCM S0P8 | 1 | |
| SMD TC4427 chip | 1 | |
| SMD AMS1117 chip 5.0V | 1 | |
| Plug-in electrolytic capacitor 100UF 35V | 1 | |
| 0805 Capacitor 104 | 2 | |
| 0805 Resistor 1K | 1 | |
| 0805LED blue | 1 | |
| DC2.1 power base | 1 | |
| Ultrasonic transmitter T | 2 | |
| M2 knurled single-pass copper column M2x6+3 | 6 | |
| M2 knurled single-pass copper column M2x12+3 | 2 | |
| M2 knurled single-pass copper column M2x40+3 | 2 | |
| M2 nut | 4 | |
| Foam | 1 | |
| PCB board | One baseplate, two launch pads | 3 |
| DC12V power supply | optional | 1 |
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