Sound Detection Sensor Module for Arduino

Περιγραφή

Electret microphone with comparator circuit for sound detection.
Power ON and sound detected LED indicators.
Digital and analogue outputs.
Sensitivity control – adjust so that detect led is just off with normal background noise.
Output goes high when sudden sharp sound detected – note: earlier black pcb modules went low.
5V to 12V operation
PCB 35mm x 15mm.