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  1. #1
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    Function of diode in the circuit.

    Hello everyone...I am doing some troubleshooting and tried to sketch schematic by my own. I would like to know the function of this diode (D1) in the image. I know diode but first time saw this circuit. Thanks in advance.

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  2. #2
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    Re: Function of diode in the circuit.

    it protects the circuit from wrong polarity insertion of Battery1.



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