SparkFun TRRS 3.5mm Jack Breakout
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TRRS connectors are the audio-style connectors that you see on some phones, MP3 players and development boards. TRRS stands for \"Tip, Ring, Ring, Sleeve,\" which reflects the fact that, unlike a standard stereo connector, this actually has three conductors and a ground. Some devices use the extra conductor for a microphone (like hands-free headsets) or to carry a video signal (like in some MP3/MP4 players). This breakout board makes it easy to add a TRRS jack to your prototype or project by breaking out each conductor to a standard 0.1" spaced header.
**Documents:**
* [Schematic](http://cdn.sparkfun.com/datasheets/BreakoutBoards/TRRS_Breakout-v10.pdf)
* [Eagle Files](http://cdn.sparkfun.com/datasheets/BreakoutBoards/TRRS_Breakout-v10.zip)
* [GitHub Hardware Repo](https://github.com/sparkfun/TRRS_3.5mm_Jack_Breakout/)