Hi everybody, So what I've been trying to do is reading audio input from an electret mic, and I've cooked up the circuit below. The code is just reading voltage from A0 and send it back to my computer. Omitted from the circuit are 2 100nF "decoupling capacitor" bridging 5+ -> GND and +Vcc -> -Vcc w…

Idle noise from a TL082 opamp

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