Guitar and Bass Tuner Library for Teensy 3.1 v2.0

Software algorithm (YIN) for guitar and bass tuning using a Teensy Audio Library. This audio object’s algorithm is somewhat memory and processor hungry but will allow you to detect lower frequencies than the Audio library’s Goertzel algorithm will.

  Hookup Guide - 1.2v DC Bias and High Pass Filter - No Amplification


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                   |------------/\/\/\----------|   _______       |
                   |             47K            |  |` ` ` `|      |
                   |---)|+--|                   |  | ` ` ` |      |
                   |  10uF  |                   |  |` ` ` `|      |
                   |        |                   |  | ` ` ` |      |
 _______________   |-/\/\/\-|                   |  |` ` ` `|      |
|GND  |___|  Vin|  |  2.2K  |                   |  | ` ` ` |      |
|0      T   AGND|<-|        |                   |  |` ` ` `|      |
|1      E   3.3V|<--/\/\/\--*--/\/\/\---|       |  | ` ` ` |      |
|2      E     23|    10K        47K     |       |  |` ` ` `|      |
|3      N     22|                       |       |  | ` ` ` |      |
|4      S     21|                       |       |  |`_`_`_`|      |
|5      Y     20|                       |       |    | :`|        |
|6     3.1    19|                       |       |    | S`|        |
|7            18|                       |       |    | H`|        |
|8            17|                       |       |    | I`|        |
|9         A2/16|<----------------------*--+|(--*    | E`|<-------|
|10    ---    15|                          10uF |    | L`|
|11   |(`)|   14|                               |    | D`|
|12    ---    13|                               |    | :`|
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