For sound detection
The module has 2 outputs:
- AO, analog output, real-time output microphone voltage signal
- DO, when the sound intensity reaches a certain threshold, output high and low level signal [threshold – sensitivity can be adjusted by potentiometer]
Module features:
- Â there are 3mm mounting screw holes
- Â using 5v DC power supply
- Â there is analog output
- Â there is a threshold flip level output
- Â high sensitivity microphone, high sensitivity.
- Â there is a power indicator
- Â the comparator output has an indicator
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