Got an Arduino board laying around? Make your own oscilloscope in only four steps. It might be the geekiest DIY project ever.

Those of you new to electronics or the functions and menus of an oscilloscope may be interested in a new tutorial which has been published by James the “Bald Engineer” using little Arduino and ...

[Privatier] wrote in to let us know about lxardoscope, his project that lets you use an Arduino as hardware input for a Linux-based oscilloscope display. This implementation offers two channels wit… ...

If you haven’t spent the time to learn how to properly use a scope [Bald Engineer] has a great introduction to making six measurements with an Arduino as a test device.

And yes, you can buy remote outlets with separate controls, but this one lets you use a control you already have. Plus, it's an excellent learning project if you're just getting started with Arduino.