Using the inputs on a computer’s sound card is an old trick to fake a very simplistic, AC coupled, slow oscilloscope. You can get DC operation by desoldering a couple capacitors, but if the sound card ...

anyone know how I can cheaply convert my PC to an oscilloscope to analyze audio signals (AKA doesn't need to be super-high sample rate)? I've used LabView in school before, but it's damn expensive and ...

My ham and audio-nut Rob tipped me of to a fully featured but free software that turns your PC sound card into an audio-frequency scope. It even does X-Y mode so Bob Pease would approve, if he doesn’t ...