FreqCount Library, for Measuring Frequencies in the 1 kHz to 5 MHz Range
An Open Source Frequency Meter and clock generator - Open Electronics - Open Electronics
Spectroid - Apps on Google Play
Simple Audio Frequency Meter | Arduino
Teensy Spectrum Analyzer Has 170 Channels | Hackaday
How Many Ways Can We Measure Frequency Response? - Audio Precision
Top 6 Spectrum Analyzer Plugins 2023 | Integraudio
Making an Audio Spectrum analyzer with Bass.dll, C# and Arduino - CodeProject
Audio Frequency Detector | Arduino Project Hub
toon|Audio Frequency Analyzer RTA Support - toon,llc.
toon|Audio Frequency Analyzer RTA Support - toon,llc.
GitHub - ArminJo/Arduino-FrequencyDetector: Fast audio frequency detector without fft for plain Arduino and Attiny85. Whistle switch example included.
High Frequency Counter with Arduino | ee-diary
Arduino sound level meter and spectrum analyzer | Arik Yavilevich's blog
Arduino Frequency Counter : 7 Steps - Instructables
GitHub - arduino-libraries/AudioFrequencyMeter: Allows the Arduino Zero and MKR1000 to sample a generic input audio signal and get the fundamental pitch
FreqMeasure Library, for Measuring Frequencies in the 0.1 to 1000 Hz range, or RPM Tachometer Applications
Super simple Arduino Frequency Counter - YouTube
High Frequency Counter with Arduino | ee-diary
Simple Audio Frequency Meter | Arduino Documentation
Arduino Frequency Detection : 4 Steps (with Pictures) - Instructables
Audio Frequency Detector | Arduino Project Hub
Technoblogy - 100MHz Frequency Meter
DIY Arduino Audio Spectrum Analyzer on VFD Display | Arduino | Maker Pro
