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The Sound Sensor is sensitive to the environment, and is generally used to detect the intensity of the sound. If the sound level does not exceed the set threshold, OUT output signal will be HIGH. When the sound level exceeds the set threshold, OUT output signal will be LOW. The sound sensitivity can be adjusted through the potentiometer on board. The digital output can directly drive a relay module, which works nicely as a voice activated switch.
On top of that, this module also outputs analog voltage based on how loud the sound is.
- Input Voltage: 3.3 - 5V
- Output Signal: Analog, Digital
- 1x Sound Sensor Analog