Would you like to have a small digital oscilloscope? Do you have a spare ... It’s hard to overshadow just how easy this scope is to build, use, and hack on. You really don’t need much in ...

Even if you do not follow [GreatScott!]´s steps to build a simple oscilloscope, don´t throw away that vintage TV!, it is a great source of analog parts. The flyback transformer can be used to ...