This is my first post so let me tell you something about me. Im Alexander, a product design student living in Amsterdam, studying in Utrecht.
i've started using the arduino a few months ago, and got myself into a little project. I've made a theremin module described here. http://interface.khm.de/index.php/lab/experiments/theremin-as-a-capacitive-sensing-device
Now its all fun and dandy, but i've got the idea to make the theremin antenna a bit larger, span it through a room of about 12 square meters.
Is it possible to enlarge the antenna? Should the antenna have an extra energy source to make work? I'm a newbie at writing arduino code, but i do understand it, if i read it.
Instead of the giant antenna its also possible to use LDR's but that does take away the easthetics of the magnetic field sensing.
So my main question is how of getting a theremin-like device, in a larger proportion.(area of about 12m²)