Hello everyone.
As this is a safety issue, and I'm not sure, I would like to ask instead of experimenting.
Most digital scopes state a maximum input voltage of 300 V RMS.
I want to make some quick measurements on a live tube amp circuit and its power supply, which may go a little bit over that...
Tony Stewart
Tony mentioned that Audacity on a PC could be used as an oscilloscope. I was wondering how you physically connected the probes to the PC.
Let's say for an example I want to probe a 5VDC (supplied by 9VDC) circuit; probe an Arduino Mega with an audio shield specifically?
This is...