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Make your own Arduino Spy bug (Voice recorder)

Make your own Arduino Spy bug (Voice recorder)

DFSE

The main components used in this project are:

1. Electret Microphone Amplifier with Adjustable Gain :

In our project, we have used a max4466 microphone which comes with adjustable gain, you can go with max9814 too which comes with automatic gain control. the microphone will be used to sense and record the audio data which will be then further sent to Arduino nano.

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