Discover a cool idea that creatively repurposes speaker magnets! Instead of discarding those powerful magnets, learn how to give them a new life in various practical and innovative applications. This ...

Homemade compass. For this trick you need needle, piece of cork, magnet, plate and some water. You need to magnetize a needle and put it on the cork which floating in the plate with water. The needle ...

We've previously covered how to make a "speaker" from earbuds and paper cups but if you don't have a pair of donor earbuds handy or just want to learn how to build basic speakers from scratch you can ...

YouTuber Andy Elliott (mist8k) stumbled upon an awesome DIY project. While “tinkering with a small electric engine,” he describes in his video, “my audio jack accidentally came in contact with the ...

Looking for a fun weekend project? How about making your own speaker from scratch using some very basic materials? [Go Repairs] makes a bunch of how-to videos for Instructables in a style very ...

The theory behind speaker operation is pretty simple. There’s a coil that is attached to some type of diaphragm and a permanent magnet. When electrical signals pass through the coil a magnetic field ...