FrequencyDetector

Measure frequency of analog captured signal connected to an Arduino and check for noise and mute.<br/>. 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/>The ATtinySerialOut library is required for print functions on ATtinies.<br/><br/><b>New:<b>Renamed doPlausi() to doEqualDistributionPlausi(), added plotter output of input signal.