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AbdouSam / arduino-sound-detector

Detects a typical baby cry using only digital inputs
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Lm393 #1

Closed andrisruse closed 3 years ago

andrisruse commented 3 years ago

Is it a sound sensor module?

AbdouSam commented 3 years ago

Yes, it is a microphone coupled with an op amp and a comparator. There is a variable resistor to set the thrshold. The output of the sensor is digital. Zeo if the sound is blow threshold and one if the sound level is above threshold.

andrisruse @.***> schrieb am Fr., 30. Juli 2021, 21:04:

Is it a sound sensor module?

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