Magnetic Levitation

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Contributors: Alex the Giant

Resources and Going Further

One of the ways you can take this project further is increase the efficiency of the wireless power transfer. If you have access to an LCR meter, which can measure inductance, capacitance, as well as resistance, you can find the exact values of L1 and C1 of the secondary windings and feed the values into a LC resonance calculator. Once you know the resonant frequency of the secondary, you can measure the inductance of the primary coil and have the calculator return the capacitance value. Adding that capacitor in parallel with the primary inductor and adjusting the signal generator to that frequency should increase the efficiency. But for now, checkout some the links below:

Need more inspiration? Check out these other great tutorials from SparkFun:

The Uncertain 7-Cube
The Uncertain 7-Cube is a non-committal, less-than-helpful, but also entirely honest fortune teller. Simply ask it a yes or no question, give it a nudge, and the 7-Cube will dutifully inform you that it doesn’t have all the facts and doesn’t feel comfortable making a guess.

Glowing Pin
Create a quick and easy piece of e-textile art using a LilyPad LED, battery holder, conductive thread, and coin cell battery.

Wireless Glove Controller
Build a wireless glove controller with Arduinos to trigger an LED using XBees!

Qwiic Digital Indoor Thermometer
Qwiic-ly build a digital indoor thermometer to measure the ambient temperature of the room and display it using an OLED on an I2C bus!
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