Reference Language | Libraries | Comparison | Changes
Returns the value of the detected frequency if it is above the threshold defined by setAmplitudeThreshold else -1
AudioFrequencyMeter.getFrequency()
The value of the detected frequency in Hz
Corrections, suggestions, and new documentation should be posted to the Forum.
The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.