On 4/20/21 4:05 PM, bob prohaska wrote:

What about "oscilloscopes" based on USB sound cards? The one that's
handy is xoscope, available via apt on RasPiOS. It's installed, but
the man page gives no hint what sort of sound device, or general purpose
A/D converters, are supported.


visual analyser works on FreeBSD with WINE, but you're limited to
soundcard/chip bandwidth and line level input voltages.