ALSRobot Electret Microphone Analog Sound Sensor

Brand: ALSRobot
Product Code: RB-02S084A
Availability: 100
Qty: + -

This sound sensor is composed of a small electret microphone and an operational amplifier. It can capture tiny voltage changes amplify about 100 times, which can be easily identify microcontroller and AD converter, analog voltage output, so you only need to capture analog voltage.


  •  Product Name: sound sensor
  •  Item No: RB-02S084
  •  Operating voltage: 2.7V-5.5V
  •  Data Type: Analog Input
  •  Size: 30mm × 23mm

Pin Definitions:
S: signal output
+: positive power supply (VCC)
-: power supply ground (GND)

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