- 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.
1 x LM393 Sound Detection Sensor Module