and the shield to GND on the Arduino. Plug into your computer and listen with a sound program like Audacity. (Or connect any other high-impedance input, like an active speaker) Try some examples from ...

Couldn’t a microcontroller talk to a VGA card too? Of course it can, and [0xmarcin] is here to show how it can be done with an Arduino Mega. The project builds on the work of another similar one ...