Analog decibel detection LM2904 sound intensity detection module noise acoustic sensor microphone module
Used to detect the environment: the size of the sound, the presence or absence of sound, whistling, sound intensity; but can not identify the sound frequency, can not be used to detect a specific sound frequency.
Product features:
Adopt original high sensitivity microphone and LM2904 operational amplifier, with low power consumption and small total harmonic distortion.
High sensitivity, in a closed environment, normal speech can be detected within 10 meters.
Can directly output linear analog, AD acquisition, it is more convenient, to solve the pain of many customers to directly capture the waveform. Can also be used directly as a decibel sensor.
FOB Price: US$4.55/ Piece | Get Latest Price
Min.Order qty 2000 Piece/Pieces Small Orders Negotiable
Supply Ability: 10000000 Piece/Pieces per Month Adjustable for Urgent Orders
Port: Shenzhen
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram