Introduction
This tiny MEMS microphone has an amplifier gain of 66. When there is no sound detected, it outputs voltage around 1.5V. 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 Diagram
Specification
Signal Type: Analog signal
Power Supply: 3.3V/5V
Directivity: All-round
Sensitivity: -42dB
S/N Ratio: 59dBA
Frequency Range: 100Hz~8KHz
Dimension: 18*12.5 mm/ 0.71*0.49”
Shipping List
Fermion: MEMS Microphone Module ×1
2.54-3P Black Single Row Pin Header ×1