A question for you: if the cathode ray tube had never been invented, what would an oscilloscope look like? We’re not sure ourselves, but it seems like something similar to this mechanical tachyscope ...

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 ...