Styrofoam Plate Speaker

by kgoldberg2014 in Circuits > Speakers

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Styrofoam Plate Speaker

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This instructable will teach you how to make a speaker out of a styrofoam plate!!! This speaker can play an audible sound.

Gather Materials

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Materials you will need for this project: 
Piece of paper
Tape (any type)
30-32 gauge wire
Neodymium magnets (at least 6)
Hot Glue Gun
Scissors
2 Alligator clips
Styrofoam Plate
Piece of cardboard that is bigger than the styrofoam plate
Sandpaper
Headphone wire with plug to connect to playing device
 

Cut Paper

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Use scissors to cut piece of paper to a height that is higher than the magnets.

Wrap Magnet With Paper

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After cutting paper, roll it around magnet and secure it with piece of tape.

Glue Paper to Center of Plate

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On the back of the plate, glue the piece of paper to the center using hot glue gun.

Begin Wrapping Wire Around Paper

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Using 30-32 gauge wire, wrap it around the piece of paper glued to the plate. Continue wrapping it until the majority of the piece of rolled paper is covered in wire. Once wrapped, cut the wire and secure it with piece of tape.

**TIP**
It helps to start wrapping the wire from the bottom and go up.

Sand Ends of Wire

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Considering the wire is painted, you need to sand the end of the wire down until the ends are copper. With the paint on the charge will not connect.

(You might have to repeat this step for the headphone wire)

Connect Alligator Clips to Wire

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Connect an alligator clip to both ends of wire and attach the other end of the alligator clips to the plug-in wire ends. 

Place Magnet on Cardboard

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Place the magnet in the middle of the piece of cardboard. Feel free to glue it down to the cardboard.

Connect Plate to Magnet

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Put the magnet inside of the wired piece of paper so everything is attached.

Secure Plate to Cardboard

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Tape the paper plate to the cardboard so it is more balanced.