Tagged Questions

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Arduino serial communication produces noise on electret microphone

I am currently working on a circuit which uses an electret mic and am LM386 op amp to feed an audio signal into the arduino. During testing, I've used my scope as well as headphones to analyze the ...
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Arduino bot that can find a specific sound signal

I am working on my senior design project. It is an Arduino controlled robot. I am trying to figure out the best way to implement sound localization. It seems straight forward, at least two mic's, ...