Hmmmm... my guess would be the penny vibrates. may get a little warm too.
those wireless chargers are just the primary side of a transformer. the other half is in the phone/device.
ive played with the one on our electric tooth brush, making small wire coils and adding LEDs to the end. heh.
those wireless chargers are just the primary side of a transformer. the other half is in the phone/device.
ive played with the one on our electric tooth brush, making small wire coils and adding LEDs to the end. heh.