Como Fazer a água cantar ( Theremin Caseiro )

Theremin is one of the first completely electronic musical instruments. Today we're going to make a homemade version. Materials: 2 - 1k resistors 1 - 555 IC 1 - 220uF electrolytic capacitor 1 - 1uF electrolytic capacitor 1 - Speaker 1 - 10nF capacitor *Jumpers and breadboard, or you can solder directly. Electronic Circuit: https://imgur.com/kqeBkLj