#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. [YIN]:http://recherche.ircam.fr/equipes/pcm/cheveign/pss/2002_JASA_YIN.pdf 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 / |----->\_/