How to Make a Microphone From an Old Hard Drive
Re-purpose your old electronics. A hard drive and a speaker can be turned into a retro microphone for your computer.
Re-purposing antiquated electronics gives new light to otherwise obsolete devices. Instead of throwing your old hard drive away, why not turn it into a retro-looking microphone. All that is required is a hard drive, a speaker, and some soldering skills.
Via Rulof Maker