There are a zillion usb lamps. This is just the one I made. One feature I made sure to add to mine was the ability to use regular batteries when a computer was not available.
Notice: soldering, mechanicals skills, and a bit of knowledge about electricity are required. Get a professional to help if you are not sure about this project. Do this project at your own risk to yourself and to your computer. I will not be responsible for any issues.
Step 1: What you need.
1 Vienna sausage can emptied.
1 clear plastic cup.
1 Usb extension cable (you will use both ends) If you have the right cable one end will plug into the other end. If they do not, you have the wrong cable.
1 - 3 battery flashlight bulb.
1 Pringles can cover,.
Drill with various bits