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Microphone Sensor AVR PIC High Sensitivity Sound Detection Module For Arduino Lt Home Fragrances Size: As the picture showITEM NAME: Microphone Sensor AVR PIC High Sensitivity Sound Detection Module For Arduino Lt Features: 100% Brand new and high quality For sound detection module has two outputs: 1. AO, analog output, real time output voltage signal of the microphone 2. DO, when the sound intensity reaches a certain threshold, the output high and low signal Module features: 1. There is a mounting screw hole 3mm 2. The use 5v DC power supply 3. With analog output 4.
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