FrequencyDetector

Measure the main frequency of analog captured signal connected to an Arduino and check for noise and mute.

Author
Armin Joachimsmeyer
Website
https://github.com/ArminJo/Arduino-FrequencyDetector
Category
Signal Input/Output
License
GPL 3.0
Library Type
Contributed
Architectures
avr

Detects frequency from 38 Hz to 9612 Hz and works even on an ATTiny85 with 1 MHz up to 4806 Hz. Signal can be delivered e.g. by a microphone. Tested for UNO, Nano and ATtiny85.<br/>Examples includes a whistle switch (Pfeiffschalter) designed to react to human whistling.<br/>Like <a href="https://www.arduino.cc/en/Tutorial/SimpleAudioFrequencyMeter"> Arduino Simple Audio Frequency Meter</a><br/><br/><b>New: </b>Added plotter output of input signal. Renamed doPlausi() to doEqualDistributionPlausi().<br/>

Downloads

Filename Release Date File Size
FrequencyDetector-2.0.0.zip 2020-09-24 306.18 KiB
FrequencyDetector-1.1.1.zip 2020-01-25 287.83 KiB
FrequencyDetector-1.1.0.zip 2020-01-03 286.74 KiB
FrequencyDetector-1.0.0.zip 2019-03-26 200.65 KiB