10
votes
1answer
1k views

How does a Theremin “antenna” work?

I always assumed that the shape of the antennas was important; a vertical monopole for pitch and a horizontal loop for volume, thinking that this minimized their interference with each other. But it ...
5
votes
2answers
529 views

Can a magnet be an antenna?

I have a project for a small remote control in which I'll use a magnet instead of screws/etc. to close the case. Basically it is a two-piece plastic case in which one of the pieces has a magnet glued ...