Theremin: Build Your own Arduino based Theremin
What is a Theremin? The theremin is an electronic musical instrument that is unique in that it is played without physical contact. It was invented by Léon Theremin, a Russian inventor and musician, in the early 1920s. The theremin's unique method of sound production relies on the interaction of electromagnetic fields with the player's hands, which control pitch and volume by moving their hands closer to or farther from two antennae on the instrument. Its eerie and ethereal sound has…