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Small Microphone Sound Sensor Module for arduino

Regular price $1.54

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Introduction

1. Features high sensitivity, Electret Condenser Microphone (ECM) sensor
2. Power supply indicator lamp
3. Comparator output indicator lamp
4. AO, real-time microphone voltage signal output
5. DO, high / low electric level signal output
6. Analog quantity output
7. Threshold rollover electric level output
8. Sensitivity adjusted by potentiometer