Grove - LM2904 sound sensor

Index: SEE-11332 EAN: 5903351246507

Module from the Grove series, based on the system LM2904 and a microphone. It can be powered with a voltage ranging from 3.5 V to 10 V. The output is the analog signal. The sensor can detect the strength of the environment's sound. It has an analog output that makes it compatible with most of the commissioning modules, including Raspberry Pi and Arduino.

Grove - LM2904 sound sensor
€6.91 tax excl.
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Manufacturer: Seeedstudio
Compatibility: Arduino Raspberry Pi


Module from the Grove series, based on the system LM2904 and a microphone. It can be powered with a voltage ranging from 3.5 V to 10 V. Output is the analog signal. The sensor can detect the strength of the environment's sound. It has an analog output that makes it compatible with most of the commissioning modules, including Raspberry Pi and Arduino.


This product is only available in our market in Poland and cannot be sold to other countries.


The module is equipped with Grove interface that facilitates its connection to the Arduino along with Base Shield v2.0 or Raspberry via Hat of GrovePi+.

Grove-czujnik dźwięku

Pin Description
SIG Signal output
NC Not connected
VCC Supply voltage 3.3 V or 10 V.
GND The ground of the system


  • Supply voltage: from 3.3 V to 10 V
  • Output signal: analog (0 to 1023)
  • Working frequency: 50 to 2000 Hz
  • Sensitivity: -48 dB to 66
  • The ratio of signal to noise: > 58 dB
  • 50 multicolor LEDs
  • Dimensions: 110 x 70 x 11 mm



Sensor - type sound

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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