Fast audio frequency detector without fft for plain Arduino and Attiny85. Whistle switch example included.
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Apr 2, 2026 - C++
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frequency-detection
Here are 8 public repositories matching this topic...
A free, no-nonsense online tuner for guitars
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Feb 9, 2026 - Rust
MATLAB code for the Robust Huber-LRT ENF Detection (PCI 2023)
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Sep 30, 2024 - MATLAB
Real-time DTMF decoder. FFT-based dual-tone detection from audio files or mic input, with spectrum visualizer and keypad flash. Vanilla TS + Web Audio API.
typescript canvas dtmf signal-processing vanilla-js fft web-audio-api bun vite audio-visualization frequency-detection
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May 9, 2026 - TypeScript
Arduino-based Mini Demogorgons animatronics that react to the A4 piano notes (440Hz), using a KY-037 module and two servo motors whose rotates the robotic heads
robotics arduino-ide arduino-uno piano-keyboard servo-control animatronics sound-reactive ky-037 frequency-detection
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Apr 16, 2026 - C++
This is a highly accurate, full-featured chromatic tuner for PC and mobile that allows musicians to tune a wide variety of instruments with professional-level precision.
audio-analysis calibration spectrum-analyzer guitar-tuner pitch-detection chromatic-tuner instrument-tuner microphone-input frequency-detection tuning-fork guitar-tuning tuner-software reference-pitch tuning-presets bass-tuning violin-tuning ukulele-tuning line-in-input waveform-display needle-display
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Jan 5, 2026
A pair of Arduino-based animatronic demogorgon mini robots that react to the A4 piano note (440Hz) using a KY-037 sound sensor and two servo motors.
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Apr 12, 2026 - C++
MATLAB-based musical note identification system using FFT and signal processing to extract dominant frequencies from audio. Identifies pitch and octave by analyzing peak frequency components with visualization of waveform and FFT spectrum.
signal-processing dsp matlab fft musical-notes music-analysis audio-processing pitch-detection sound-analysis frequency-detection
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Dec 7, 2025 - MATLAB
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