Solderless breadboards have made that even easier and computer simulation is easier ... accept input and produce output from a PC’s sound card. Obviously, that means you can’t simulate RF ...

A solution for some sensors comes courtesy of [Ruslan Nagimov], who shows us how the PC sound card can become a measurement interface. The idea is that simple resistive or capacitive sensors can ...

If you're old enough, you will be familiar with the iconic Sound Blaster bundle boxes as shown above (credit). A legendary ...

or if your computer sound card can output four analogue audio signals you could use two stereo amplifiers and two pairs of speakers. You should arrange the speakers in an approximate square and ...