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- <h3>Summary</h3>
- <p>Transmit 12 bit audio using Teensy 3.1's built-in digital to analog converter.</p>
- <h3>Audio Connections</h3>
- <table class=doc align=center cellpadding=3>
- <tr class=top><th>Port</th><th>Purpose</th></tr>
- <tr class=odd><td align=center>In 0</td><td>Audio Channel</td></tr>
- </table>
- <h3>Functions</h3>
- <p>This object has no functions to call from the Arduino sketch. It
- simply streams data from the ADC to its output port.</p>
- <h3>Hardware</h3>
- <p align=center><img src="img/dacpin.jpg"></p>
- <p>Signal range is 0 to 1.2V</p>
- <p>Most applications require at least a 10µF DC-blocking capacitor.</p>
- <p>TODO: photo of Teensy 3.1 with 10µF capacitor and 3.5mm jack.</p>
- <h3>Examples</h3>
- <p class=exam>File > Examples > Audio > HardwareTesting > PassThroughMono
- </p>
- <p class=exam>File > Examples > Audio > SamplePlayer
- </p>
- <h3>Notes</h3>
- <p>The output rate is 44.1 kHz (no oversampling). Ultrasonic noise present if
- not filtered. This may not
- be an issue for many uses, but care should be used if amplified and driven
- to high power tweeters.</p>
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