A useless box is a little device with a tactile switch that will fool you into switching it over and over again! Check out the video below and you’ll see just how useless it is.
Intrigued? Great! Because we made a tutorial so you can make your own useless box. You know you want to!
You can use a 3D printer to print all plastic parts, or you can get creative with cardboard. Either way, the .stl files are available along with the sample code to make this easy for you. Go to manuals.velleman.eu and have fun!