LM358 Operational/Signal Amplifier Module


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Support small AC audio signal, for example, if you connect with a MIC, connecting the MIC with a pull-up resistor on one side, and another side go to "IN", the "OUT" will be amplified AC audio signal. Due to the temperature drift, zero issues, etc,  whether you can use it, please refer to the schematics and decide by youself.
  • Used LM358, mono power supply operational amplifier
  • Magnify 100 times in theory.

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