By Wand Agency
This is a neat little invention that I mustered up while taking apart an old DVD player. I removed the fan and decided to do something with it. I powered the fan with a USB power cable by simply soldering the wires together. Pretty nifty. I put together this little video to show how you can make a simple USB powered fan. In the video, I also included that you could use any 9 volt battery with a strap.