Specification:
Item Type: Sound Sensor Module
Voltage: 3-5V
AO: Analog output, real-time output of microphone voltage signal
Do: When the sound intensity reaches a certain threshold, output high and low level signals. (threshold sensitivity can be adjusted by potentiometer)
1. There are approx. 3mm / 0.1in mounting screw holes
2. Use 5V DC power supply
3. With analog output
4. Threshold flip level output
5. High sensitivity microphone
6. With power indicator
7. The comparator output has indicator lights

Package List:
5 xSound Sensor Module