the white box generates a timing pulse that speeds up and changes octive when light is shone on it. the box has an on and off switch, 1/8th inch audio out put, two photocells. four AA batteries are required for power
sony tv converted into a oscilloscope. plug any sound source into the 1/4 inch jack and the sound wave will be converted into an visual pattern. a toggle switch on the side switches between 2 different visuals
