Detectable sound signal size Built-in filter-rectifier circuit, DC signal output Good sensitivity, built-in amplifier circuit, adjustable gain Voltage signal for sound intensity can be obtained by AD conversion Analog voltage signal output, signal amplitude VCC/2 Compatible for Arduino sensor interface.
Digital I2S interface with high precision 24-bit data High signal to noise ratio is 61 dBA High sensitivity -26 dBFS Stable frequency response from 60 Hz to 15 kHz Low power consumption: low current consumption 1.4 mA High PSR: -75 dBFS
Working voltage: DC 3.3-5V. IC Chip: LM393 Signal output indication. The output is digital. Single channel signal output. With the retaining bolt hole, convenient installation. Output low level and the signal light when there is sound.
Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
