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Add Wireless Charging to Your Smartphone
Hmm, what about several small coils? If I understand the concept correctly, several small circles should, in theory, transfer as much energy as a singular larger coil. My Thought is try and add something like this to a Bluetooth headset.
Very nice write up, it is an enjoyable read and a really neat concept. However, I'm curious if this could be added to other devices... Is charging effected by the shape of the coil? Does the coil have to be in a perfect circle? what about position on the charging pad, does that have to be exact?