Sound Sensor Module KY-038
$1.75
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The sound detection sensor module detects the intensity of sound where the sound is detected via a microphone and fed into an LM393 op-amp. It comprises an onboard potentiometer to adjust the setpoint for sound level. Specifications: Operating Voltage: 3.3V to 5V DC LM393 comparator with threshold preset PCB Size: 3.4cm * 1.6cm Induction distance: 0.5 Meter Operating current: 4~5 mA Microphone Sensitivity (1kHz): 52 to 48 dB
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