Guitar and Bass Tuner 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
 _______________                    _________
|GND  |___|  Vin|                   |       |
|0      T   AGND|<----------|       |       |
|1      E   3.3V|           |       |       |
|2      E     23|           |       |       |
|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|               |     |'L`|
|11           14|               |     |'D`|
|12           13|               |     |':`|
 ---------------                |     |===|
                                |      \_/
                                |      /T\
                                |     - I -
                                |     \ P /
                                |----->\_/