This tiny MEMS microphone has an amplifier gain of 66. When there is no sound detected, it outputs voltage around 0.66*VCC. When speaking, you can easily get the acoustic waveform by ADC sampling. The module can be used on all kinds of 3.3V/5V main-controllers.

Connection Example – DFRduino UNO

Specifications

• Signal Type: Analog signal
• Power Supply: 3.3V/5V
• Directivity: All-round
• Sensitivity: -42dB
• S/N Ratio: 59dBA
• Frequency Range: 100Hz~8KHz
• Dimension: 18 x 12.5 mm

Resources

• Product Wiki

Package Contents

• 1x Fermion: MEMS Microphone Module
• 1x 2.54-3P Black Single Row Pin Header