This module acts as a switch with sound as input. When a sound is detected above the set sensitivity, this module briefly signals. This module can be used as a blow sensor or a trigger when too much noise is made.
Properties:- Voltage: 4V - 6V
- Adjustable sensitivity
- Output: Digital
- Output LED (on when output = 1)
- Comparator chip: LM393
Interface:- VCC: 4V - 6V
- GND: GND
- DO: digital output (0 and 1)