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This circuit can be used for coupling the audio output from your smarthone or “line out” from your PC into Ar duino:
You can leave out resistor R1 and capacitor C, but you need those two 100K resistors R2 as voltage divider.
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This circuit can be used for coupling the audio output from your smarthone or “line out” from your PC into Ar duino:
You can leave out resistor R1 and capacitor C, but you need those two 100K resistors R2 as voltage divider.
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