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Mic Module


  • Operating Voltage: 3.3V to 5V DC
  • Operating Current: 15ma
  • Output Digital – 0V or 5V, Adjustable trigger level from preset
  • LEDs indicating output and power
  • PCB Size: 3.2cm x 1.4cm
  • LM393 based design

85 100


Mic Module Description

The Mic module best price in Lahore Pakistan can be used for sound/audio detection, it comes with the basic components for you to get started. Supplying power and it is good to be used.

The is only digital output. Threshold can be adjusted with on board potentiometer for the digital output. Simple usage as it is digital output, so you will know whether there is sound or not.

Comes with a M3 mounting hole for ease of attaching it to any object. On board it has microphone, high sensitivity and commonly being used for sound detection. The module comes with power LED and status LED as indicator.

It can be interface with any microcontroller with digital input such as PIC, SK40C, SK28A, SKds40A, Arduino series for sound detection. Also, not to forget, interface with Relay module offer sound switch 🙂


  •     Operating voltage: 3.3 to 5VDC
  •     PIN: VCC = 5V, GND = 0V, DO = digital output from module
  •     Sound detected, DO = LOW, on board LED is ON
  •     No Sound detected, DO = HIGH, on board LED is OFF
  •     Turn the on board potentiometer clockwise will make module sensitive to sound
  •     Turn the on board potentiometer counter clockwise make the module less sensitive to sound

Mic Module are usually one per module 4.He writes the names on p. 5V Vcc pin plugs eat GND GND pin. The other two pins AO and DO pins are made of the connection pin number defined in the code section. A0 pin to analog, the DO pin is defined as the input pin reading digitally.

For sound detection Module has two outputs:

  1. AO, analog output, real-time output voltage signal of the microphone
  2. DO, when the sound intensity reaches a certain threshold, the output high and low signal

The threshold-sensitivity can be adjusted via potentiometer on the sensor

Connecting to the Arduino

  • Pin + to Arduino 5+
  • Pin – to Arduino –
  • Pin A0 to Arduino A0 (for analog program)
  • Pin D0 to Arduino 13 (for digital program)

Pin details

  • VCC = 3.3V to 5V DC
  • GND = Ground
  • DO = Digital Output


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