1,Can detect the surrounding sound then output analog value
2,Can set a sound value then output digital value
3,Adjustable Sensitivity , Stable Performance
4,5V Working Voltage , support both the output
digital value and the output analog value
5,Analog voltage signal output, signal amplitude is VCC / 2
6,Sensitivity, built-in amplifier circuit, gain can be adjusted
7,Get the intensity of the sound of the voltage
signal through the AD transform
8,Port explanation : DO for digital output, AO for analog output
9,Applicable to a variety of platforms including AVR / ARM
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