So I've decided to work with wireless energy for my senior project. My goal is to have one transmitter power two devices through single coil, loosely coupled magnetic resonance. I'll likely start with basically powering two separate receiver circuits with LEDs. My question is, How do you construct acquitted coils that hold their form at exact intended dimensions (i.e. height: 10 cm, diameter: 5 cm, loop spacing: 1 mm, etc.)?
I'd also like to figure out the output at varying distances between two or more coils. Would there happen to be a formula to figure this out? or all trial and error?
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