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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
25% Violet ±0
High quality solder wire with rosin core in spool (roll) pack Yihua brand
Interface Type: Digital output
3V 650nm 9mm
Sound Detection Sensor (KY-038) Vibration 25% Violet ±0The 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. Features: 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 Easy to use with