GitHub - blaa/IRTuner: Infra-RED Guitar Tuner (AVR code)

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Name		Name	Last commit message	Last commit date
Latest commit History 18 Commits
FFT		FFT
LCD.c		LCD.c
LICENSE		LICENSE
Main.c		Main.c
Makefile		Makefile
README		README
Serial.c		Serial.c
Sleep.c		Sleep.c
notes.py		notes.py

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Author: Tomasz bla Fortuna
Homepage: http://bla.thera.be/article/infra-red-guitar-tuner

Using IR LED illuminates a guitar string, and then measures 
it's vibrations using IR phototransistor.

FFT is not mine (see files for information on topic). There was
not direct information AFAIK, but the page holding this code had 
some annotations.

License: GPLv3+, ask if in need for another