說明
The Sound sensor module is a simple microphone. Based on the power amplifier LM386 and the electret microphone, it can be used to detect the sound strength of the environment. The value of output can be adjusted by the potentiometer.
功能:
- Grove compatible interface
- Wide supply voltage range: 4V-12V
- Low quiescent current drain: 4mA
- 2.0cm x 2.0cm twig module
- Minimum external parts