- 100% Brand New.
- Main chip:LM393, Electret condenser microphone
- Working voltage: DC 4-6V
- Signal output indication
- Single channel signal output
- The output effective signal is low level
- When there is sound, outputs low level and the signal light
- Can be used for Acoustic control light , give sound and light alarm working with Photosensitive sensor ,and sound control, sound detect
- Circuit board output switch quantity
- Note: The Maximum induction distance is 0.5
1PCS x Microphone Sensor Detection Module
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