Sound Sensor

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LM386 is an audio power amplifier with features of low power consumption, adjustable voltage gain, wide voltage power supply, fewer requirements on peripheral components, and minimum total harmonic distortion. LM386 can be applied to consumer products with low voltage requirements. To minimize the number of peripheral components used, the voltage gain should be set to 20.

Waveshare Sound Sensor

In the case of working with an MCU:

  • VCC ↔ 3.3V ~ 5.3V
  • GND ↔ power supply ground
  • AOUT ↔ MCU.IO (analog output)
  • DOUT ↔ MCU.IO (digital output)

Specifications :

  • Operating voltage 3.3V-5V
  • Outputs digital switching output (high and low levels 0 and 1
  • Operating current (Vcc=5V): 4-8mA
  • Microphone sensitivity (1Khz): 52-48dB
  • Microphone Impedance: 2.2KΩ
  • Microphone Frequency: 16-20Khz
  • Microphone S/N ratio: 54dB
  • Signal output indication
  • Single channel signal output
  • Outputs low level and the signal light when there is sound

Applications :
  • Audio amplifier
  • Ambient sound detection
  • Sound level detection

Features :
  • Onboard audio power amplifier LM386
  • Audio signal gain up to 200
  • Adjustable accuracy
  • Signal output indicator

Package Includes :
  • 1 x Sound Sensor
  • 1 x 4-pin custom connector jumper wire
  • Availability: 50 In Stock
  • Model: Sound Sensor

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