I need small sound sensor can sense high noise, working by battery, working in open area and the output of this sensor is a sound also as handset or small speaker without display screen or lamp indication.
I need small sound sensor can sense high noise, working by battery, working in open area and the output of this sensor is a sound also as handset or small speaker without display screen or lamp indication.
Electret microphone? Digikey.
D from BC British Columbia Canada.
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