01 / FretLearner
FretLearner.
A desktop app built with my friend for learning the guitar fretboard. Play a note on your guitar and it listens.
it detects pitch in real time using the YIN algorithm, the same approach used in professional
audio software.
🎵
Real pitch detection
YIN algorithm — works with any guitar and mic
🧠
Adaptive flashcard learning
Configurable reps and rounds, saves progress
📊
ADSR state machine
Knows when you've finished a note, not just stopped