LM393 Sound Sensor for Arduino

http://www.icstation.com/lm393-voice-sound-detection-sound-sensor-module-arduino-p-1513.html

Hey friends,
Here we will recommend you an interesting and useful LM393 Sound Sensor 
And the price is cheap, the quality is high, we believe you will like this product.

Specifications:
Size: 32mm *17mm*15mm(L*W*H)
Main chip: LM393, Electret condenser microphone
Working voltage: DC 4-6V

Features:

• 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
• Reference routines, circuit diagram and detailed specification will be provided after purchase.
  
  Tested by ICStation's Outstanding Partner Tech Krowd:
  
  
  
  You could click below video link to know more about this Sound Sensor Module:
  https://www.youtube.com/watch?v=pIQyP3PgS9s
  https://www.youtube.com/watch?v=rCB677XbpGA