Vinyl Player

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The goal for our final project was to design and manufacture a record player capable of producing music using a 12 inch LP or 7-inch single vinyl record. When powered, the record player spins the vinyl at a specific speed, and using the needle sound vibrations are sent to an audio amplifier to output sound. A motor is used to control the desired speed and rotate the plate which the vinyl record is placed on. Figure 1 shows a simplified sketch of the needle cartridge system; the system consists of a needle and an attached magnet that is placed near a solenoid to generate an electrical signal based on the needle arm movement. The needle is placed in the grooves of the record causing the needle arm to vibrate, which produces an electrical signal in the solenoid due to the magnet.


Final Project Report for ENGR-4367 Mechatronics

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