Homemade Speaker

Easy speaker to make and use at home!Can be built with easy materials found around your home. Get the Materials It's pretty simple,all you need is:-1.A strong neodymium magnet (get it from eBay or in your home)2.A spring or any bouncy spring-like thing.3.An old and used CD which has no use.4. Som...
By: Maanav.

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