How to use my sound card as an oscilloscope and signal generator?

How can I use my sound card as an oscilloscope, And how to make an oscilloscope probes as well as a signal generator probes "Labeled Wiring Diagram Would Help".

Also, use CARE because the input won't handle ANYmore than around 1V peak. To go higher, add a protection system with a potential divider, and, even more importantly, a clamp diode. These scopes will only measure AC too. Steve
lemonie7 years ago

If you go looking for software you can find things like this: