Update

README.md

 
 [YIN]:http://recherche.ircam.fr/equipes/pcm/cheveign/pss/2002_JASA_YIN.pdf
 <!-- language: lang-none -->
-
-_______________                    _________
-|GND  |   |  Vin|                   |       |
-|0     ---  AGND|                   |       |
-|1          3.3V|                   |       |
-|2            23|                   |       |
-|3            22|                   |       |
-|4            21|                   |_______|
-|5            20|                     |':`|
-|6            19|                     |':`|
-|7            18|                     |':`|
-|8            17|                     |':`|
-|9         A2/16|                     |':`|
-|10           15|                     |':`|
-|11           14|                     |':`|
-|12           13|                     |===|
----------------                      |___|
-\ /
-/ \
------
-\   /
-\_/
+      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 /
+                                    |----->\_/