BS2 Universal Guitar Tuner Project Version 2.0 — Parallax Forums
Guitar Tuner for the Blind (using an Arduino) : 8 Steps (with Pictures) - Instructables
Guitar Tuner With an Arduino : 8 Steps (with Pictures) - Instructables
Automated Electric Guitar Tuner Abstract In the music industry, there has been a recent trend of increased research with regard to self-tuning guitars. - ppt download