Waveshare Sound Detection Module Sound Sensor Module Voice Detector Sensor Intelligent Vehicle for STM32 AVR<br>Sound Sensor<br>Overview<br><br>Onboard audio power amplifier LM386<br>Audio signal gain up to 200<br>Adjustable accuracy<br>Signal output indicator<br>Specifications<br><br>Mic sensitivity : 52dB<br>Frequency range : 50Hz ~ 20KHz<br>Power: 3.3V ~ 5.3V<br>Mounting holes size: 2.0mm<br>Applications<br><br>Ambient sound detection<br>Sound level detection<br>How to Use<br><br>In the case of working with a MCU:<br>VCC   3.3V ~ 5.3V<br>GND   power supply ground<br>AOUT   MCU.IO (analog output)<br>DOUT   MCU.IO (digital output)<br><br><br>Package Contains<br><br>Sound Sensor  1<br>4-pin custom connector jumper wire  1<br><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/719e3949-8c3b-4be4-a5ff-482650a1d248.jpg"  onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/719e3949-8c3b-4be4-a5ff-482650a1d248.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/2940c722-5424-4f10-a11b-6393c0793720.jpg"  width="940" height="705" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/2940c722-5424-4f10-a11b-6393c0793720.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/1aab5aef-b2e3-4627-b1cf-e0a12a180ec3.jpg"  width="940" height="705" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/1aab5aef-b2e3-4627-b1cf-e0a12a180ec3.jpg'; $(this).attr('onerror'，'');" ><br><br><br>Packaging Details<br>Unit Type: piece Package Weight: 0.080kg (0.18lb.) Package Size: 15cm x 12cm x 10cm (5.91in x 4.72in x 3.94in)