Beep-it Optical Theremin
Optical theremin, fits easily in your hand; Outputs a square wave whose pitch is controlled by the amount of light striking a photoresistor; Cast shadows over the light sensor or point lights at it.
Use a flashing light for a cool oscillating effect; Has a Big Red Button – everyone loves Big Red Buttons.
Subscribe now to our FREE newsletter!
Subscribe NOW to 7Gadgets weekly newsletter! You will receive the weekly selection of the best gadgets!
It is FUN, it is COOL, it is 7Gadgets newsletter!