Basic Audio Playback with Arduino

This is one of the simplest way to play back a very short snipped of audio using an Arduino. This is only meant to be an example, nothing too serious.


Hardware
The hardware is very, very simple. The output is PORTD, with the following schematic (bits 0 - 7 refer to Arduino digital pins 0 - 7). This is a resistor ladder.

Arduino Code

Download here: http://milkcrate.com.au/_other/basic_audio.pde


Video