?Man ::ABOUT Simple walkman controller circuit, it can be used to DJ tapes but also to play a tune when you add a tape with just sounds or a pitch of some sound. It can play back sound very slowly, at a very low speed it will start to stutter (meaning stop play stop play and so on). Sometimes the motor can be heard in the the sound. The audio quality is not high, but at low speed the base is still present. All audio is mono. If the power supply give allot of hum try using batteries. Controls: - 1x Slide potmeter for playback speed. - 1x Push button to Hold or Play the tape. - 1x Slide switch to invert the function of the push button. Power: - 3v DC - 2x AA battery