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HALJIA LM393 Sound Detection Sensor Module Microphone Compatible with Arduino

Regular price $4.99

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  • Chip: LM393, electret microphone;
  • Working voltage: DC 4 ~ 6 V;
  • With a signal output instruction. One single channel output.
  • Low level output signal; When there is sound output low, lights lit.
  • Can be used for voice-activated lights, with light sensors make a sound and light alarm, and voice control, voice detection occasions.

Packing List:
1 x LM393 Sound Detection Sensor Module