Theremin for sale - Optical Theremin Kit

This Optical Theremin features two light sensors. One sensor controls the pitch and the other modulates the sound. Both sensors can be controlled by using your hands to adjust the amount of light hitting the sensors. There is an on board speaker and also a RCA audio output for hooking it up to an amp. It operates on a 9V battery (not included) This is a fast & simple to build kit that requires beginner soldering knowledge.